<http://webkit.org/b/57384> CFNetwork and WebCore load priorities should match

<webkit.org/b/57384> CFNetwork and WebCore load priorities should match

Reviewed by Alexey Proskuryakov.

Source/WebCore:

* WebCore.exp.in: Export wkSetHTTPPipeliningMaximumPriority().
* platform/mac/WebCoreSystemInterface.h:
(wkSetHTTPPipeliningMaximumPriority): Added function pointer
declaration.
* platform/mac/WebCoreSystemInterface.mm:
(wkSetHTTPPipeliningMaximumPriority): Added function pointer.
* platform/network/cf/ResourceRequestCFNet.cpp:
(WebCore::initializeMaximumHTTPConnectionCountPerHost): Call
wkSetHTTPPipeliningMaximumPriority() to set the maximum HTTP
pipelining priority.
* platform/network/cf/ResourceRequestCFNet.h:
(WebCore::toResourceLoadPriority): Renamed from
mapHTTPPipeliningPriorityToResourceLoadPriority().  Updated to
to handle Unresolved case.
(WebCore::toHTTPPipeliningPriority): Renamed from
mapResourceLoadPriorityToHTTPPipeliningPriority().  Updated to
handle Unresolved case.
* platform/network/mac/ResourceRequestMac.mm:
(WebCore::ResourceRequest::doUpdateResourceRequest): Switched to
use toResourceLoadPriority().
(WebCore::ResourceRequest::doUpdatePlatformRequest): Switched to
use toHTTPPipeliningPriority().  Moved
shouldForceHTTPPipeliningPriorityHigh() check into the argument
of toHTTPPipeliningPriority() instead of hard-coding a
now-incorrect value.

Source/WebKit/mac:

* WebCoreSupport/WebSystemInterface.mm:
(InitWebCoreSystemInterface): Added initialization for
wkSetHTTPPipeliningMaximumPriority().

Source/WebKit2:

* WebProcess/WebCoreSupport/mac/WebSystemInterface.mm:
(InitWebCoreSystemInterface): Added initialization for
wkSetHTTPPipeliningMaximumPriority().

WebKitLibraries:

* WebKitSystemInterface.h:
(WKSetHTTPPipeliningMaximumPriority): Added declaration.
(WKExtractWordDefinitionTokenRangeFromContextualString): Added
missing declaration from r81890.
(WKShowWordDefinitionWindow): Ditto.
(WKHideWordDefinitionWindow): Ditto.
* libWebKitSystemInterfaceLeopard.a: Updated.
* libWebKitSystemInterfaceSnowLeopard.a: Updated.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@82900 268f45cc-cd09-0410-ab3c-d52691b4dbfc