Merge 140057

Merge 140057
> imageSmoothingEnabled frequent, unpredictable crashes
> https://bugs.webkit.org/show_bug.cgi?id=107161
> 
> Patch by Alexis Hetu <sugoi@chromium.org>; on 2013-01-17
> Reviewed by Stephen White.
> 
> Source/WebCore:
> 
> Added a NULL pointer check to fix a crash.
> 
> Test: fast/canvas/canvas-imageSmoothingEnabled-zero-size.html
> 
> * html/canvas/CanvasRenderingContext2D.cpp:
> (WebCore::CanvasRenderingContext2D::setWebkitImageSmoothingEnabled):
> 
> LayoutTests:
> 
> Added a layout test for setting image smoothing enabled on a 0 sized
> canvas.
> 
> * fast/canvas/canvas-imageSmoothingEnabled-zero-size-expected.txt: Added.
> * fast/canvas/canvas-imageSmoothingEnabled-zero-size.html: Added.

TBR=commit-queue@webkit.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=140444

[sugoi, 2013-01-22 20:42:09]

lgtm