| Index: third_party/WebKit/Source/modules/webgl/WebGLContextAttributeHelpers.cpp
 | 
| diff --git a/third_party/WebKit/Source/modules/webgl/WebGLContextAttributeHelpers.cpp b/third_party/WebKit/Source/modules/webgl/WebGLContextAttributeHelpers.cpp
 | 
| index bf24b48cc493db93e2ab13e909380e1816151277..5b799b2ccbbc94d0e5b947150a84cc1cc20d7154 100644
 | 
| --- a/third_party/WebKit/Source/modules/webgl/WebGLContextAttributeHelpers.cpp
 | 
| +++ b/third_party/WebKit/Source/modules/webgl/WebGLContextAttributeHelpers.cpp
 | 
| @@ -27,6 +27,10 @@ Platform::ContextAttributes toPlatformContextAttributes(
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|    Platform::ContextAttributes result;
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|    result.failIfMajorPerformanceCaveat = attrs.failIfMajorPerformanceCaveat();
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|    result.webGLVersion = webGLVersion;
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| +  result.supportAlpha = attrs.alpha();
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| +  result.supportDepth = attrs.depth();
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| +  result.supportStencil = attrs.stencil();
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| +  result.supportAntialias = attrs.antialias();
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|    return result;
 | 
|  }
 | 
|  
 | 
| 
 |