[chromium] Pass screen refresh rate into compositor.

[chromium] Pass screen refresh rate into compositor.
https://bugs.webkit.org/show_bug.cgi?id=71040

Patch by Iain Merrick <husky@google.com> on 2011-11-18
Reviewed by Tony Gentilcore.

Source/WebCore:

Covered by CCLayerTreeHostTest.

* platform/PlatformScreen.h:
* platform/chromium/PlatformScreenChromium.cpp:
(WebCore::screenRefreshRate):
* platform/chromium/PlatformSupport.h:
* platform/graphics/chromium/cc/CCLayerTreeHost.h:
(WebCore::CCSettings::CCSettings):
* platform/graphics/chromium/cc/CCThreadProxy.cpp:
(WebCore::CCThreadProxy::initializeImplOnImplThread):

Source/WebKit/chromium:

* public/WebScreenInfo.h:
(WebKit::WebScreenInfo::WebScreenInfo):
* src/PlatformSupport.cpp:
(WebCore::PlatformSupport::screenRefreshRate):
* src/WebViewImpl.cpp:
(WebKit::WebViewImpl::setIsAcceleratedCompositingActive):
* tests/CCLayerTreeHostTest.cpp:
(WTF::CCLayerTreeHostTest::runTest):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@100751 268f45cc-cd09-0410-ab3c-d52691b4dbfc