Merge 139459

Merge 139459
> [Chromium] WebGL typed array constructor crashes on exception
> https://bugs.webkit.org/show_bug.cgi?id=106308
> 
> Reviewed by Kentaro Hara.
> 
> Source/WebCore:
> 
> Check for empty handles (indicating exception thrown) after calls
> into V8 VM.
> 
> Added new case from Khronos typed array conformance tests to
> fast/canvas/webgl/array-unit-tests.html.
> 
> * bindings/v8/custom/V8ArrayBufferViewCustom.h:
> (WebCore::constructWebGLArray):
>     Check for empty handles after calls into V8 VM.
> 
> LayoutTests:
> 
> Updated typed array tests to latest version from Khronos repository.
> 
> * fast/canvas/webgl/array-unit-tests-expected.txt:
> * fast/canvas/webgl/array-unit-tests.html:
> 

TBR=kbr@google.com
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=139640