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 8a3b219e91213d6ac4c1ec1b2f7388b898b32ba3..d31b0dd576128f1d1dd3f7c309fa97b201d7695e 100644
--- a/third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp
+++ b/third_party/WebKit/Source/platform/image-decoders/webp/WEBPImageDecoder.cpp
@@ -457,14 +457,11 @@ 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(),
-                                     colorSpaceForSkImages()))
+    if (!buffer.allocatePixelData(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
-    // fully decoded.
-    buffer.setHasAlpha(true);
     buffer.setOriginalFrameRect(IntRect(IntPoint(), size()));
   }