Add ENABLE_MUTATION_OBSERVERS feature flag

https://bugs.webkit.org/show_bug.cgi?id=68732

Reviewed by Ojan Vafai.

This flag will guard an implementation of the "Mutation Observers" proposed in
http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html

.:

* configure.ac:

Source/JavaScriptCore:

* Configurations/FeatureDefines.xcconfig:

Source/WebCore:

* Configurations/FeatureDefines.xcconfig:
* GNUmakefile.am:

Source/WebKit/chromium:

* features.gypi:

Source/WebKit/mac:

* Configurations/FeatureDefines.xcconfig:

Source/WebKit2:

* Configurations/FeatureDefines.xcconfig:

Tools:

* Scripts/build-webkit:

WebKitLibraries:

* win/tools/vsprops/FeatureDefines.vsprops:
* win/tools/vsprops/FeatureDefinesCairo.vsprops:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@95894 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/ChangeLog b/ChangeLog
index 091b70d016aae79b36149947b7ea724e96a7928f..cda658055558d27cc370253a2010260a17779502 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * configure.ac:
+
 2011-09-23  Varun Jain  <varunjain@google.com>
 
         Refactor WebViewImpl::scrollFocusedNodeIntoRect to a better place and add tests

diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
index a9965fe337e9aec9e77ab70fc127f9b5846248c3..a94ae7fceda65100c4ef23230c8dc4a2e85147e4 100644 (file)
--- a/Source/JavaScriptCore/ChangeLog
+++ b/Source/JavaScriptCore/ChangeLog
@@ -1,3 +1,15 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * Configurations/FeatureDefines.xcconfig:
+
 2011-09-23  Mark Hahnenberg  <mhahnenberg@apple.com>
 
         De-virtualize JSCell::getJSNumber

diff --git a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
index 863c00fd8d0252231cf91a9c3ef300a627ed83a0..2fbf8cf0d46277fb0e3578f318a858fa97f3dc3d 100644 (file)
--- a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
+++ b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
@@ -76,6 +76,7 @@ ENABLE_MEDIA_SOURCE = ;
 ENABLE_MEDIA_STATISTICS = ;
 ENABLE_METER_TAG = ENABLE_METER_TAG;
 ENABLE_MHTML = ;
+ENABLE_MUTATION_OBSERVERS = ;
 ENABLE_NOTIFICATIONS = ;
 ENABLE_OFFLINE_WEB_APPLICATIONS = ENABLE_OFFLINE_WEB_APPLICATIONS;
 ENABLE_PAGE_VISIBILITY_API = ;
@@ -97,4 +98,4 @@ ENABLE_XHTMLMP = ;
 ENABLE_XPATH = ENABLE_XPATH;
 ENABLE_XSLT = ENABLE_XSLT;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_REGIONS) $(ENABLE_SQL_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_REGIONS) $(ENABLE_SQL_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_MUTATION_OBSERVERS) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);

diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index 622b8a0bb33a378b2ca85b07fd706a1d315012bd..1e0a31f767d6bd65b8fb5ae2b8aa905f5256c5cb 100644 (file)
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,16 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * Configurations/FeatureDefines.xcconfig:
+        * GNUmakefile.am:
+
 2011-09-23  Varun Jain  <varunjain@google.com>
 
         Refactor WebViewImpl::scrollFocusedNodeIntoRect to a better place and add tests 

diff --git a/Source/WebCore/Configurations/FeatureDefines.xcconfig b/Source/WebCore/Configurations/FeatureDefines.xcconfig
index e75ea8d9f2f33e1a8e57657184590ef413effb57..9a0db3d6fa025c5ebc4437dc15068318a8e36ada 100644 (file)
--- a/Source/WebCore/Configurations/FeatureDefines.xcconfig
+++ b/Source/WebCore/Configurations/FeatureDefines.xcconfig
@@ -74,6 +74,7 @@ ENABLE_MEDIA_SOURCE = ;
 ENABLE_MEDIA_STATISTICS = ;
 ENABLE_METER_TAG = ENABLE_METER_TAG;
 ENABLE_MHTML = ;
+ENABLE_MUTATION_OBSERVERS = ;
 ENABLE_NOTIFICATIONS = ;
 ENABLE_OFFLINE_WEB_APPLICATIONS = ENABLE_OFFLINE_WEB_APPLICATIONS;
 ENABLE_PAGE_VISIBILITY_API = ;
@@ -96,4 +97,4 @@ ENABLE_XHTMLMP = ;
 ENABLE_XPATH = ENABLE_XPATH;
 ENABLE_XSLT = ENABLE_XSLT;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_SQL_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_SQL_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_MUTATION_OBSERVERS) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);

diff --git a/Source/WebCore/GNUmakefile.am b/Source/WebCore/GNUmakefile.am
index f3a92fdfe867c4f11eb121240a3b7639ec633c8f..24ee19efc64943009250355302a901fb16d5a7d1 100644 (file)
--- a/Source/WebCore/GNUmakefile.am
+++ b/Source/WebCore/GNUmakefile.am
@@ -225,6 +225,14 @@ else
 webcore_cppflags += -DENABLE_DIRECTORY_UPLOAD=0
 endif # END ENABLE_DIRECTORY_UPLOAD
 
+# ----
+# DOM mutation observer support
+# ----
+if ENABLE_MUTATION_OBSERVERS
+FEATURE_DEFINES += ENABLE_MUTATION_OBSERVERS=1
+webcore_cppflags += -DENABLE_MUTATION_OBSERVERS=1
+endif # END ENABLE_MUTATION_OBSERVERS
+
 # ----
 # HTML5 client-side session and persistent storage
 # ----

diff --git a/Source/WebKit/chromium/ChangeLog b/Source/WebKit/chromium/ChangeLog
index 5374b9f47fcd7e960d251cb10bc4bf5778654fef..82d10c4af98f400eb0b96c713b489df840363083 100644 (file)
--- a/Source/WebKit/chromium/ChangeLog
+++ b/Source/WebKit/chromium/ChangeLog
@@ -1,3 +1,15 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * features.gypi:
+
 2011-09-23  Jay Civelli  <jcivelli@chromium.org>
 
         Making some WebBlob methods exportable.

diff --git a/Source/WebKit/chromium/features.gypi b/Source/WebKit/chromium/features.gypi
index c7c078cee497616a6f8267df53ed4c44ac3e1a19..406a6af9835f9b31257b5c3e9a1697dc0a54a168 100644 (file)
--- a/Source/WebKit/chromium/features.gypi
+++ b/Source/WebKit/chromium/features.gypi
@@ -60,6 +60,7 @@
       'ENABLE_MEDIA_STREAM=1',
       'ENABLE_METER_TAG=1',
       'ENABLE_MHTML=1',
+      'ENABLE_MUTATION_OBSERVERS=0',
       'ENABLE_NOTIFICATIONS=1',
       'ENABLE_OFFLINE_WEB_APPLICATIONS=1',
       'ENABLE_ORIENTATION_EVENTS=0',

diff --git a/Source/WebKit/mac/ChangeLog b/Source/WebKit/mac/ChangeLog
index b7193ce1462d0f4a6a0cdbc3f1938b8fd9ca5d19..3033366046b8907bd1c083d2e3f620eb93c189d1 100644 (file)
--- a/Source/WebKit/mac/ChangeLog
+++ b/Source/WebKit/mac/ChangeLog
@@ -1,3 +1,15 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * Configurations/FeatureDefines.xcconfig:
+
 2011-09-23  Anders Carlsson  <andersca@apple.com>
 
         Axe WebImageRendererFactory

diff --git a/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig b/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig
index e6bfcee14c79b5d06df3a7f7e8496bdf8b3c7547..7754bd5137eef05c69799883f75e34353c88b97c 100644 (file)
--- a/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig
+++ b/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig
@@ -74,6 +74,7 @@ ENABLE_MEDIA_SOURCE = ;
 ENABLE_MEDIA_STATISTICS = ;
 ENABLE_METER_TAG = ENABLE_METER_TAG;
 ENABLE_MHTML = ;
+ENABLE_MUTATION_OBSERVERS = ;
 ENABLE_NOTIFICATIONS = ;
 ENABLE_OFFLINE_WEB_APPLICATIONS = ENABLE_OFFLINE_WEB_APPLICATIONS;
 ENABLE_PAGE_VISIBILITY_API = ;
@@ -96,4 +97,4 @@ ENABLE_XHTMLMP = ;
 ENABLE_XPATH = ENABLE_XPATH;
 ENABLE_XSLT = ENABLE_XSLT;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_MUTATION_OBSERVERS) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);

diff --git a/Source/WebKit2/ChangeLog b/Source/WebKit2/ChangeLog
index d2c44119bc999f7e66c51388715b8034e7235970..6f433a91fd6b2f01e55f313b38042fdcf7845dc4 100644 (file)
--- a/Source/WebKit2/ChangeLog
+++ b/Source/WebKit2/ChangeLog
@@ -1,3 +1,15 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * Configurations/FeatureDefines.xcconfig:
+
 2011-09-23  Varun Jain  <varunjain@google.com>
 
         Refactor WebViewImpl::scrollFocusedNodeIntoRect to a better place and add tests 

diff --git a/Source/WebKit2/Configurations/FeatureDefines.xcconfig b/Source/WebKit2/Configurations/FeatureDefines.xcconfig
index e6bfcee14c79b5d06df3a7f7e8496bdf8b3c7547..7754bd5137eef05c69799883f75e34353c88b97c 100644 (file)
--- a/Source/WebKit2/Configurations/FeatureDefines.xcconfig
+++ b/Source/WebKit2/Configurations/FeatureDefines.xcconfig
@@ -74,6 +74,7 @@ ENABLE_MEDIA_SOURCE = ;
 ENABLE_MEDIA_STATISTICS = ;
 ENABLE_METER_TAG = ENABLE_METER_TAG;
 ENABLE_MHTML = ;
+ENABLE_MUTATION_OBSERVERS = ;
 ENABLE_NOTIFICATIONS = ;
 ENABLE_OFFLINE_WEB_APPLICATIONS = ENABLE_OFFLINE_WEB_APPLICATIONS;
 ENABLE_PAGE_VISIBILITY_API = ;
@@ -96,4 +97,4 @@ ENABLE_XHTMLMP = ;
 ENABLE_XPATH = ENABLE_XPATH;
 ENABLE_XSLT = ENABLE_XSLT;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ANIMATION_API) $(ENABLE_BLOB) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CLIENT_BASED_GEOLOCATION) $(ENABLE_CSS3_FLEXBOX) $(ENABLE_CSS_FILTERS) $(ENABLE_DATABASE) $(ENABLE_DATALIST) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM_STORAGE) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INPUT_COLOR) $(ENABLE_INPUT_SPEECH) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_TAG) $(ENABLE_MUTATION_OBSERVERS) $(ENABLE_NOTIFICATIONS) $(ENABLE_OFFLINE_WEB_APPLICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PROGRESS_TAG) $(ENABLE_QUOTA) $(ENABLE_REGISTER_PROTOCOL_HANDLER) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_SHARED_WORKERS) $(ENABLE_SVG) $(ENABLE_SVG_DOM_OBJC_BINDINGS) $(ENABLE_SVG_FONTS) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHTMLMP) $(ENABLE_XPATH) $(ENABLE_XSLT);

diff --git a/Tools/ChangeLog b/Tools/ChangeLog
index 46ec03e1a95fc428d9572eed0c016e10aac95ee5..f6bad8a20e2b3aeee94c0a2b2966cf8a83d247ce 100644 (file)
--- a/Tools/ChangeLog
+++ b/Tools/ChangeLog
@@ -1,3 +1,15 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * Scripts/build-webkit:
+
 2011-09-23  Chang Shu  <cshu@webkit.org>
 
         [WK2] [Qt] Implement MouseDown/MouseUp/MouseMoveTo functions for WebKit2 EventSender

diff --git a/Tools/Scripts/build-webkit b/Tools/Scripts/build-webkit
index d3fc9bc814c7b1f80df7132073b5684fc625f0c9..af6a70d8d29522939ca9536922edb3ab562109ed 100755 (executable)
--- a/Tools/Scripts/build-webkit
+++ b/Tools/Scripts/build-webkit
@@ -99,6 +99,7 @@ my (
     $mediaStreamSupport,
     $meterTagSupport,
     $mhtmlSupport,
+    $mutationObserversSupport,
     $netscapePluginSupport,
     $notificationsSupport,
     $offlineWebApplicationSupport,
@@ -179,6 +180,9 @@ my @features = (
     { option => "directory-upload", desc => "Toogle Directory upload support",
       define => "ENABLE_DIRECTORY_UPLOAD", default => 0, value => \$directoryUploadSupport },
 
+    { option => "mutation-observers", desc => "Toggle DOM mutation observer support",
+      define => "ENABLE_MUTATION_OBSERVERS", default => 0, value => \$mutationObserversSupport },
+
     { option => "dom-storage", desc => "Toggle DOM Storage Support",
       define => "ENABLE_DOM_STORAGE", default => 1, value => \$domStorageSupport },
 

diff --git a/WebKitLibraries/ChangeLog b/WebKitLibraries/ChangeLog
index 2187965b106cc608dace4803a9874f1111fbfb78..58ab3fae582dfdfbe4e4dafb6d58c5359b34e22c 100644 (file)
--- a/WebKitLibraries/ChangeLog
+++ b/WebKitLibraries/ChangeLog
@@ -1,3 +1,16 @@
+2011-09-23  Adam Klein  <adamk@chromium.org>
+
+        Add ENABLE_MUTATION_OBSERVERS feature flag
+        https://bugs.webkit.org/show_bug.cgi?id=68732
+
+        Reviewed by Ojan Vafai.
+
+        This flag will guard an implementation of the "Mutation Observers" proposed in
+        http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
+
+        * win/tools/vsprops/FeatureDefines.vsprops:
+        * win/tools/vsprops/FeatureDefinesCairo.vsprops:
+
 2011-09-22  Dean Jackson  <dino@apple.com>
 
         Add ENABLE_CSS_FILTERS

diff --git a/WebKitLibraries/win/tools/vsprops/FeatureDefines.vsprops b/WebKitLibraries/win/tools/vsprops/FeatureDefines.vsprops
index 68cc3b0e3c0bfa36fab66ae576127028e9fa0c47..b08ce9d03dc7b221316c110a017ca1f6f23bb88c 100644 (file)
--- a/WebKitLibraries/win/tools/vsprops/FeatureDefines.vsprops
+++ b/WebKitLibraries/win/tools/vsprops/FeatureDefines.vsprops
@@ -9,7 +9,7 @@
        >
   <Tool
                Name="VCCLCompilerTool"
-               PreprocessorDefinitions="$(ENABLE_3D_CANVAS);$(ENABLE_3D_RENDERING);$(ENABLE_ACCELERATED_2D_CANVAS);$(ENABLE_BLOB);$(ENABLE_CHANNEL_MESSAGING);$(ENABLE_CLIENT_BASED_GEOLOCATION);$(ENABLE_CSS_FILTERS);$(ENABLE_CSS_REGIONS);$(ENABLE_CSS_EXCLUSIONS);$(ENABLE_SQL_DATABASE);$(ENABLE_DATAGRID);$(ENABLE_DATALIST);$(ENABLE_DATA_TRANSFER_ITEMS);$(ENABLE_DETAILS);$(ENABLE_DEVICE_ORIENTATION);$(ENABLE_DIRECTORY_UPLOAD);$(ENABLE_DOM_STORAGE);$(ENABLE_FILTERS);$(ENABLE_FILE_SYSTEM);$(ENABLE_CSS3_FLEXBOX);$(ENABLE_FULLSCREEN_API);$(ENABLE_GEOLOCATION);$(ENABLE_ICONDATABASE);$(ENABLE_INDEXED_DATABASE);$(ENABLE_INPUT_COLOR);$(ENABLE_INPUT_SPEECH);$(ENABLE_JAVASCRIPT_DEBUGGER);$(ENABLE_LINK_PREFETCH);$(ENABLE_MATHML);$(ENABLE_METER_TAG);$(ENABLE_NOTIFICATIONS);$(ENABLE_OFFLINE_WEB_APPLICATIONS);$(ENABLE_PAGE_VISIBILITY_API);$(ENABLE_PROGRESS_TAG);$(ENABLE_QUOTA);$(ENABLE_REGISTER_PROTOCOL_HANDLER);$(ENABLE_SHARED_WORKERS);$(ENABLE_SVG);$(ENABLE_SVG_DOM_OBJC_BINDINGS);$(ENABLE_SVG_FONTS);$(ENABLE_VIDEO);$(ENABLE_MEDIA_SOURCE);$(ENABLE_MEDIA_STATISTICS);$(ENABLE_WEB_SOCKETS);$(ENABLE_WEB_TIMING);$(ENABLE_WORKERS);$(ENABLE_XHTMLMP);$(ENABLE_XPATH);$(ENABLE_XSLT)"
+               PreprocessorDefinitions="$(ENABLE_3D_CANVAS);$(ENABLE_3D_RENDERING);$(ENABLE_ACCELERATED_2D_CANVAS);$(ENABLE_BLOB);$(ENABLE_CHANNEL_MESSAGING);$(ENABLE_CLIENT_BASED_GEOLOCATION);$(ENABLE_CSS_FILTERS);$(ENABLE_CSS_REGIONS);$(ENABLE_CSS_EXCLUSIONS);$(ENABLE_SQL_DATABASE);$(ENABLE_DATAGRID);$(ENABLE_DATALIST);$(ENABLE_DATA_TRANSFER_ITEMS);$(ENABLE_DETAILS);$(ENABLE_DEVICE_ORIENTATION);$(ENABLE_DIRECTORY_UPLOAD);$(ENABLE_DOM_STORAGE);$(ENABLE_FILTERS);$(ENABLE_FILE_SYSTEM);$(ENABLE_CSS3_FLEXBOX);$(ENABLE_FULLSCREEN_API);$(ENABLE_GEOLOCATION);$(ENABLE_ICONDATABASE);$(ENABLE_INDEXED_DATABASE);$(ENABLE_INPUT_COLOR);$(ENABLE_INPUT_SPEECH);$(ENABLE_JAVASCRIPT_DEBUGGER);$(ENABLE_LINK_PREFETCH);$(ENABLE_MATHML);$(ENABLE_METER_TAG);$(ENABLE_MUTATION_OBSERVERS);$(ENABLE_NOTIFICATIONS);$(ENABLE_OFFLINE_WEB_APPLICATIONS);$(ENABLE_PAGE_VISIBILITY_API);$(ENABLE_PROGRESS_TAG);$(ENABLE_QUOTA);$(ENABLE_REGISTER_PROTOCOL_HANDLER);$(ENABLE_SHARED_WORKERS);$(ENABLE_SVG);$(ENABLE_SVG_DOM_OBJC_BINDINGS);$(ENABLE_SVG_FONTS);$(ENABLE_VIDEO);$(ENABLE_MEDIA_SOURCE);$(ENABLE_MEDIA_STATISTICS);$(ENABLE_WEB_SOCKETS);$(ENABLE_WEB_TIMING);$(ENABLE_WORKERS);$(ENABLE_XHTMLMP);$(ENABLE_XPATH);$(ENABLE_XSLT)"
        />
   <UserMacro
                Name="ENABLE_3D_CANVAS"
@@ -161,6 +161,11 @@
                Value="ENABLE_METER_TAG"
                PerformEnvironmentSet="true"
        />
+  <UserMacro
+               Name="ENABLE_MUTATION_OBSERVERS"
+               Value=""
+               PerformEnvironmentSet="true"
+       />
   <UserMacro
                Name="ENABLE_NOTIFICATIONS"
                Value=""

diff --git a/WebKitLibraries/win/tools/vsprops/FeatureDefinesCairo.vsprops b/WebKitLibraries/win/tools/vsprops/FeatureDefinesCairo.vsprops
index ee3b5330fc15d00f10c91b5e8af8604ef200a6aa..ae4d345e2f58a42bdf19a2c01ce42e54f584069a 100644 (file)
--- a/WebKitLibraries/win/tools/vsprops/FeatureDefinesCairo.vsprops
+++ b/WebKitLibraries/win/tools/vsprops/FeatureDefinesCairo.vsprops
@@ -9,7 +9,7 @@
        >
   <Tool
                Name="VCCLCompilerTool"
-               PreprocessorDefinitions="$(ENABLE_3D_CANVAS);$(ENABLE_3D_RENDERING);$(ENABLE_ACCELERATED_2D_CANVAS);$(ENABLE_BLOB);$(ENABLE_CHANNEL_MESSAGING);$(ENABLE_CLIENT_BASED_GEOLOCATION);$(ENABLE_CSS_FILTERS);$(ENABLE_CSS_REGIONS);$(ENABLE_CSS_EXCLUSIONS);$(ENABLE_SQL_DATABASE);$(ENABLE_DATAGRID);$(ENABLE_DATALIST);$(ENABLE_DATA_TRANSFER_ITEMS);$(ENABLE_DETAILS);$(ENABLE_DEVICE_ORIENTATION);$(ENABLE_DIRECTORY_UPLOAD);$(ENABLE_DOM_STORAGE);$(ENABLE_FILTERS);$(ENABLE_FILE_SYSTEM);$(ENABLE_CSS3_FLEXBOX);$(ENABLE_FULLSCREEN_API);$(ENABLE_GEOLOCATION);$(ENABLE_ICONDATABASE);$(ENABLE_INDEXED_DATABASE);$(ENABLE_INPUT_COLOR);$(ENABLE_INPUT_SPEECH);$(ENABLE_JAVASCRIPT_DEBUGGER);$(ENABLE_LINK_PREFETCH);$(ENABLE_MATHML);$(ENABLE_METER_TAG);$(ENABLE_NOTIFICATIONS);$(ENABLE_OFFLINE_WEB_APPLICATIONS);$(ENABLE_PAGE_VISIBILITY_API);$(ENABLE_PROGRESS_TAG);$(ENABLE_QUOTA);$(ENABLE_REGISTER_PROTOCOL_HANDLER);$(ENABLE_SHARED_WORKERS);$(ENABLE_SVG);$(ENABLE_SVG_DOM_OBJC_BINDINGS);$(ENABLE_SVG_FONTS);$(ENABLE_VIDEO);$(ENABLE_MEDIA_SOURCE);$(ENABLE_MEDIA_STATISTICS);$(ENABLE_WEB_SOCKETS);$(ENABLE_WEB_TIMING);$(ENABLE_WORKERS);$(ENABLE_XHTMLMP);$(ENABLE_XPATH);$(ENABLE_XSLT)"
+               PreprocessorDefinitions="$(ENABLE_3D_CANVAS);$(ENABLE_3D_RENDERING);$(ENABLE_ACCELERATED_2D_CANVAS);$(ENABLE_BLOB);$(ENABLE_CHANNEL_MESSAGING);$(ENABLE_CLIENT_BASED_GEOLOCATION);$(ENABLE_CSS_FILTERS);$(ENABLE_CSS_REGIONS);$(ENABLE_CSS_EXCLUSIONS);$(ENABLE_SQL_DATABASE);$(ENABLE_DATAGRID);$(ENABLE_DATALIST);$(ENABLE_DATA_TRANSFER_ITEMS);$(ENABLE_DETAILS);$(ENABLE_DEVICE_ORIENTATION);$(ENABLE_DIRECTORY_UPLOAD);$(ENABLE_DOM_STORAGE);$(ENABLE_FILTERS);$(ENABLE_FILE_SYSTEM);$(ENABLE_CSS3_FLEXBOX);$(ENABLE_FULLSCREEN_API);$(ENABLE_GEOLOCATION);$(ENABLE_ICONDATABASE);$(ENABLE_INDEXED_DATABASE);$(ENABLE_INPUT_COLOR);$(ENABLE_INPUT_SPEECH);$(ENABLE_JAVASCRIPT_DEBUGGER);$(ENABLE_LINK_PREFETCH);$(ENABLE_MATHML);$(ENABLE_METER_TAG);$(ENABLE_MUTATION_OBSERVERS);$(ENABLE_NOTIFICATIONS);$(ENABLE_OFFLINE_WEB_APPLICATIONS);$(ENABLE_PAGE_VISIBILITY_API);$(ENABLE_PROGRESS_TAG);$(ENABLE_QUOTA);$(ENABLE_REGISTER_PROTOCOL_HANDLER);$(ENABLE_SHARED_WORKERS);$(ENABLE_SVG);$(ENABLE_SVG_DOM_OBJC_BINDINGS);$(ENABLE_SVG_FONTS);$(ENABLE_VIDEO);$(ENABLE_MEDIA_SOURCE);$(ENABLE_MEDIA_STATISTICS);$(ENABLE_WEB_SOCKETS);$(ENABLE_WEB_TIMING);$(ENABLE_WORKERS);$(ENABLE_XHTMLMP);$(ENABLE_XPATH);$(ENABLE_XSLT)"
        />
   <UserMacro
                Name="ENABLE_3D_CANVAS"
@@ -161,6 +161,11 @@
                Value="ENABLE_METER_TAG"
                PerformEnvironmentSet="true"
        />
+  <UserMacro
+               Name="ENABLE_MUTATION_OBSERVERS"
+               Value=""
+               PerformEnvironmentSet="true"
+       />
   <UserMacro
                Name="ENABLE_NOTIFICATIONS"
                Value=""

diff --git a/configure.ac b/configure.ac
index 1d60e00dc81571cd4eed82db65adf5893fdf993c..a668c5462e283e0164f121044b6691065020b42a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -462,6 +462,14 @@ AC_ARG_ENABLE(offline_web_applications,
               [],[enable_offline_web_applications="yes"])
 AC_MSG_RESULT([$enable_offline_web_applications])
 
+# check whether to enable DOM mutation observer support
+AC_MSG_CHECKING([whether to enable DOM mutation observer support])
+AC_ARG_ENABLE(mutation_observers,
+              AC_HELP_STRING([--enable-mutation-observers],
+                             [enable DOM mutation observer support [default=no]]),
+              [],[enable_mutation_observers="no"])
+AC_MSG_RESULT([$enable_mutation_observers])
+
 # check whether to enable HTML5 client-side session and persitent storage support
 AC_MSG_CHECKING([whether to enable HTML5 client-side session and persistent storage support])
 AC_ARG_ENABLE(dom_storage,
@@ -1180,6 +1188,7 @@ AM_CONDITIONAL([ENABLE_REQUEST_ANIMATION_FRAME],[test "$enable_request_animation
 AM_CONDITIONAL([ENABLE_TOUCH_ICON_LOADING],[test "$enable_touch_icon_loading" = "yes"])
 AM_CONDITIONAL([ENABLE_REGISTER_PROTOCOL_HANDLER],[test "$enable_register_protocol_handler" = "yes"])
 AM_CONDITIONAL([ENABLE_DEVICE_ORIENTATION],[test "$enable_device_orientation" = "yes"])
+AM_CONDITIONAL([ENABLE_MUTATION_OBSERVERS],[test "$enable_mutation_observers" = "yes"])
 
 # Gtk conditionals
 AM_CONDITIONAL([ENABLE_INTROSPECTION],[test "$enable_introspection" = "yes"])
@@ -1231,6 +1240,7 @@ Features:
  3D Rendering                                             : $enable_3d_rendering
  WebGL                                                    : $enable_webgl
  Blob support                                             : $enable_blob
+ DOM mutation observer support                            : $enable_mutation_observers
  DeviceOrientation support                                : $enable_device_orientation
  Directory upload                                         : $enable_directory_upload
  Fast Mobile Scrolling                                    : $enable_fast_mobile_scrolling