Remove loop unrolling code in UpdateYUVComponentSizes.

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 034144fedea8f1aadc1f303bd57753a209462abf..5ed0c32cb845f5c8a4052e7b3207a22688b238b1 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp
+++ b/third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp
@@ -101,15 +101,12 @@ static bool UpdateYUVComponentSizes(ImageDecoder* decoder,
   if (!decoder->CanDecodeToYUV())
     return false;
 
-  IntSize size = decoder->DecodedYUVSize(0);
-  component_sizes[0].set(size.Width(), size.Height());
-  component_width_bytes[0] = decoder->DecodedYUVWidthBytes(0);
-  size = decoder->DecodedYUVSize(1);
-  component_sizes[1].set(size.Width(), size.Height());
-  component_width_bytes[1] = decoder->DecodedYUVWidthBytes(1);
-  size = decoder->DecodedYUVSize(2);
-  component_sizes[2].set(size.Width(), size.Height());
-  component_width_bytes[2] = decoder->DecodedYUVWidthBytes(2);
+  for (int yuv_index = 0; yuv_index < 3; ++yuv_index) {
+    IntSize size = decoder->DecodedYUVSize(yuv_index);
+    component_sizes[yuv_index].set(size.Width(), size.Height());
+    component_width_bytes[yuv_index] = decoder->DecodedYUVWidthBytes(yuv_index);
+  }
+
   return true;
 }