DeferredImageDecoder: early-out onGetYUV8Planes when possible

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

Index: third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp b/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp
index 0d29bce0f18e6463f7fcbfd94cabe702c6455231..0230e474f4411dec576b02d6f865cad892eb5c7c 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp
+++ b/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp
@@ -354,7 +354,7 @@ bool ImageFrameGenerator::getYUVComponentSizes(SkISize componentSizes[3])
 {
     ASSERT(componentSizes);
 
-    TRACE_EVENT2("webkit", "ImageFrameGenerator::getYUVComponentSizes", "width", m_fullSize.width(), "height", m_fullSize.height());
+    TRACE_EVENT2("blink", "ImageFrameGenerator::getYUVComponentSizes", "width", m_fullSize.width(), "height", m_fullSize.height());
 
     SharedBuffer* data = 0;
     bool allDataReceived = false;
@@ -368,11 +368,6 @@ bool ImageFrameGenerator::getYUVComponentSizes(SkISize componentSizes[3])
     if (!decoder)
         return false;
 
-    // JPEG images support YUV decoding: other decoders do not. So don't pump data into decoders
-    // that always return false to updateYUVComponentSizes() requests.
-    if (decoder->filenameExtension() != "jpg")
-        return false;
-
     // Setting a dummy ImagePlanes object signals to the decoder that we want to do YUV decoding.
     decoder->setData(data, allDataReceived);
     OwnPtr<ImagePlanes> dummyImagePlanes = adoptPtr(new ImagePlanes);