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

third_party/WebKit/Source/platform/image-decoders/ImageDecoder.cpp

 /*
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 126 matching lines @@
         decode(index);
         PlatformInstrumentation::didDecodeImage();
     }
 
     frame->notifyBitmapIfPixelsChanged();
     return frame;
 }
 
 bool ImageDecoder::frameHasAlphaAtIndex(size_t index) const
 {
-    return !frameIsCompleteAtIndex(index) || m_frameBufferCache[index].hasAlpha();
+    if (m_frameBufferCache.size() == 1)
+        return !frameIsCompleteAtIndex(index) || m_frameBufferCache[index].hasAlpha();
+    return !frameIsFullyReceivedAtIndex(index) || m_frameBufferCache[index].hasAlpha();
 }
 
-bool ImageDecoder::frameIsCompleteAtIndex(size_t index) const
+bool ImageDecoder::frameIsFullyReceivedAtIndex(size_t index) const
 {
-    return (index < m_frameBufferCache.size()) &&
-        (m_frameBufferCache[index].getStatus() == ImageFrame::FrameComplete);
+    return m_isAllDataReceived || failed();
 }
 
 size_t ImageDecoder::frameBytesAtIndex(size_t index) const
 {
     if (index >= m_frameBufferCache.size() || m_frameBufferCache[index].getStatus() == ImageFrame::FrameEmpty)
         return 0;
 
     struct ImageSize {
 
         explicit ImageSize(IntSize size)
@@ skipping 192 matching lines @@
 
     qcms_data_type dataFormat = hasAlpha ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
 
     // FIXME: Don't force perceptual intent if the image profile contains an intent.
     m_sourceToOutputDeviceColorTransform = adoptPtr(qcms_transform_create(inputProfile.get(), dataFormat, gOutputDeviceProfile, QCMS_DATA_RGBA_8, QCMS_INTENT_PERCEPTUAL));
 }
 
 #endif // USE(QCMSLIB)
 
 } // namespace blink