Respect colorSpace in DecodingImageGenerator::onGetPixels()

third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.h

Index: third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.h
diff --git a/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.h b/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.h
index 65ce816863b5a8a378fc0cbc7f67b3c2607e2d2d..ee3273202a587ef2f8ceb007301b75938d975f88 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.h
+++ b/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.h
@@ -107,6 +107,10 @@ class PLATFORM_EXPORT ImageFrameGenerator final
   // decodeToYUV().
   bool getYUVComponentSizes(SegmentReader*, SkYUVSizeInfo*);
 
+  void setAlphaOption(ImageDecoder::AlphaOption option) {
+    m_alphaOption = option;
+  }
+
  private:
   ImageFrameGenerator(const SkISize& fullSize,
                       bool isMultiFrame,
@@ -145,6 +149,7 @@ class PLATFORM_EXPORT ImageFrameGenerator final
   bool m_yuvDecodingFailed;
   size_t m_frameCount;
   Vector<bool> m_hasAlpha;
+  ImageDecoder::AlphaOption m_alphaOption;
 
   std::unique_ptr<ImageDecoderFactory> m_imageDecoderFactory;