[chromium] Increase size of Combo Box Options for touch and high DPI devices

[chromium] Increase size of Combo Box Options for touch and high DPI devices
https://bugs.webkit.org/show_bug.cgi?id=80027

Patch by Tim Dresser <tdresser@chromium.org> on 2012-03-21
Reviewed by Darin Fisher.

Source/WebCore:

Scale Combo box popups by defaultDeviceScaleFactor, and add padding to
<option> elements when touch is enabled.

Manually tested with --default-device-scale-factor=1,2 and unset.
Each of these were tested with RuntimeEnabledFeatures::touchEnabled
set to true and false.

* platform/chromium/PopupListBox.cpp:
(WebCore::PopupListBox::paint):
(WebCore::PopupListBox::paintRow):
(WebCore::PopupListBox::getRowHeight):
* platform/chromium/PopupListBox.h:
(PopupContainerSettings):
* platform/chromium/PopupMenuChromium.cpp:
(WebCore):
(WebCore::PopupMenuChromium::show):
* platform/chromium/PopupMenuChromium.h:
(WebCore::PopupMenuChromium::optionPaddingForTouch):
(WebCore::PopupMenuChromium::setOptionPaddingForTouch):
(PopupMenuChromium):
* rendering/RenderMenuList.cpp:
(WebCore::RenderMenuList::showPopup):

Source/WebKit/chromium:

* src/WebViewImpl.cpp:
(WebKit::WebViewImpl::gestureEvent):
(WebKit::WebViewImpl::applyAutofillSuggestions):
* tests/PopupMenuTest.cpp:
(WebKit::TestWebViewClient::screenInfo):
(WebKit::SelectPopupMenuTest::SetUp):
(WebKit::SelectPopupMenuTest::TearDown):
(SelectPopupMenuTest):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@111539 268f45cc-cd09-0410-ab3c-d52691b4dbfc