Merge 135178

Merge 135178
> [Chromium] Flash cannot receive scroll events when threaded compositing is in use
> https://bugs.webkit.org/show_bug.cgi?id=101423
> 
> Patch by Yusuke Sato <yusukes@chromium.org>; on 2012-11-19
> Reviewed by James Robinson.
> 
> Source/WebKit/chromium:
> 
> Add setWantsWheelEvents() to Chromium's WebPluginContainer interface so that a plugin can tell the
> container that the plugin always wants to handle wheel events even when a scroll bar is not shown.
> 
> * public/WebPluginContainer.h:
> (WebPluginContainer):
> * src/WebPluginContainerImpl.cpp:
> (WebKit::WebPluginContainerImpl::setWantsWheelEvents):
> (WebKit):
> (WebKit::WebPluginContainerImpl::wantsWheelEvents):
> (WebKit::WebPluginContainerImpl::WebPluginContainerImpl):
> * src/WebPluginContainerImpl.h:
> (WebPluginContainerImpl):
> 
> Tools:
> 
> Call setWantsWheelEvents(true) in initialize() so that gesture-events and transformed-events tests in
> LayoutTests/platform/chromium/plugins/ will not fail even if a buildbot introduces threaded compositing
> in the future.
> 
> * DumpRenderTree/chromium/TestWebPlugin.cpp:
> (TestWebPlugin::initialize):

TBR=commit-queue@webkit.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=136416

[Yusuke Sato, 2012-12-03 19:17:10]

lgtm