Merge 136332

Merge 136332
> [chromium] Let Pepper Flash use integrated GPU
> https://bugs.webkit.org/show_bug.cgi?id=103800
> 
> Patch by John Bauman <jbauman@chromium.org>; on 2012-12-02
> Reviewed by Kenneth Russell.
> 
> Pepper Flash uses the SharedGraphicsContext3D as a parent, so don't
> require that to use the discrete GPU. This means that accelerated
> canvas will use the integrated GPU, but that will save battery life
> and seems acceptable.
> 
> * platform/graphics/gpu/SharedGraphicsContext3D.cpp:
> (WebCore::SharedGraphicsContext3DImpl::createContext):

TBR=commit-queue@webkit.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=138093