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

third_party/WebKit/Source/platform/image-decoders/bmp/BMPImageDecoder.cpp

 /*
  * Copyright (c) 2008, 2009, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 51 matching lines @@
 {
     if (failed())
         return;
 
     // If we couldn't decode the image but we've received all the data, decoding
     // has failed.
     if (!decodeHelper(onlySize) && isAllDataReceived())
         setFailed();
     // If we're done decoding the image, we don't need the BMPImageReader
     // anymore.  (If we failed, |m_reader| has already been cleared.)
-    else if (!m_frameBufferCache.isEmpty() && (m_frameBufferCache.first().getStatus() == ImageFrame::FrameComplete))
+    else if (frameIsCompleteAtIndex(0))
         m_reader.reset();
 }
 
 bool BMPImageDecoder::decodeHelper(bool onlySize)
 {
     size_t imgDataOffset = 0;
     if ((m_decodedOffset < sizeOfFileHeader) && !processFileHeader(imgDataOffset))
         return false;
 
     if (!m_reader) {
@@ skipping 32 matching lines @@
         POINTER = 0x5054,  // "PT"
         COLORICON = 0x4349,  // "CI"
         COLORPOINTER = 0x4350,  // "CP"
         BITMAPARRAY = 0x4241,  // "BA"
         */
     };
     return (fileType == BMAP) || setFailed();
 }
 
 } // namespace blink