Merge 102519 - WebPImageDecoder progressive decodes fail to decode valid images

Source/WebCore/platform/image-decoders/webp/WEBPImageDecoder.cpp

 /*
  * 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 107 matching lines @@
     } else {
         if (!m_decoder) {
             m_decoder = WebPINewRGB(MODE_RGB, m_rgbOutput.data(), m_rgbOutput.size(), stride);
             if (!m_decoder)
                 return setFailed();
         }
         const VP8StatusCode status = WebPIUpdate(m_decoder, dataBytes, dataSize);
         if (status != VP8_STATUS_OK && status != VP8_STATUS_SUSPENDED)
             return setFailed();
         if (!WebPIDecGetRGB(m_decoder, &newLastVisibleRow, 0, 0, 0))
-            return setFailed();
+            return false;
         ASSERT(newLastVisibleRow >= 0);
         ASSERT(newLastVisibleRow <= height);
     }
     // FIXME: remove this data copy.
     for (int y = m_lastVisibleRow; y < newLastVisibleRow; ++y) {
         const uint8_t* const src = &m_rgbOutput[y * stride];
         for (int x = 0; x < width; ++x)
             buffer.setRGBA(x, y, src[bytesPerPixel * x + 0], src[bytesPerPixel * x + 1], src[bytesPerPixel * x + 2], 0xff);
     }
     m_lastVisibleRow = newLastVisibleRow;
     if (m_lastVisibleRow == height)
          buffer.setStatus(ImageFrame::FrameComplete);
     return m_lastVisibleRow == height;
 }
 
 }
 
 #endif