Refactor ImageFrame::setSizeAndColorSpace()

third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp

Index: third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp
diff --git a/third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp b/third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp
index 27757d089441b3ae6fd6878105736ce47dd26946..0429c6e95cc2538d1dc701401a1648ac283247b3 100644
--- a/third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp
+++ b/third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp
@@ -454,9 +454,10 @@ bool WEBPImageDecoder::decodeSingleFrame(const uint8_t* dataBytes,
   DCHECK_NE(buffer.getStatus(), ImageFrame::FrameComplete);
 
   if (buffer.getStatus() == ImageFrame::FrameEmpty) {
-    if (!buffer.setSizeAndColorSpace(size().width(), size().height(),
+    if (!buffer.allocateBackingStore(size().width(), size().height(),
                                      colorSpaceForSkImages()))
       return setFailed();
+    buffer.zeroFillPixelData();
     buffer.setStatus(ImageFrame::FramePartial);
     // The buffer is transparent outside the decoded area while the image is
     // loading. The correct alpha value for the frame will be set when it is