Fix ImageDecoder::frameIsCompleteAtIndex - fully received instead of decoded.

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

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 27 matching lines @@
 class PLATFORM_EXPORT WEBPImageDecoder final : public ImageDecoder {
     WTF_MAKE_NONCOPYABLE(WEBPImageDecoder);
 public:
     WEBPImageDecoder(AlphaOption, GammaAndColorProfileOption, size_t maxDecodedBytes);
     ~WEBPImageDecoder() override;
 
     // ImageDecoder:
     String filenameExtension() const override { return "webp"; }
     void onSetData(SharedBuffer* data) override;
     int repetitionCount() const override;
-    bool frameIsCompleteAtIndex(size_t) const override;
+    bool frameIsFullyReceivedAtIndex(size_t) const override;
     float frameDurationAtIndex(size_t) const override;
     size_t clearCacheExceptFrame(size_t) override;
 
 private:
     // ImageDecoder:
     virtual void decodeSize() { updateDemuxer(); }
     size_t decodeFrameCount() override;
     void initializeNewFrame(size_t) override;
     void decode(size_t) override;
 
@@ skipping 22 matching lines @@
     typedef void (*AlphaBlendFunction)(ImageFrame&, ImageFrame&, int, int, int);
     AlphaBlendFunction m_blendFunction;
 
     void clear();
     void clearDecoder();
 };
 
 } // namespace blink
 
 #endif