RELEASE_ASSERT -> CHECK and ASSERT -> DCHECK in web.

third_party/WebKit/Source/web/WebImageDecoder.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:
  *
  *     * 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 46 matching lines @@
         m_private = new BMPImageDecoder(ImageDecoder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied, maxDecodedBytes);
         break;
     case TypeICO:
         m_private = new ICOImageDecoder(ImageDecoder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied, maxDecodedBytes);
         break;
     }
 }
 
 void WebImageDecoder::setData(const WebData& data, bool allDataReceived)
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     m_private->setData(PassRefPtr<SharedBuffer>(data).get(), allDataReceived);
 }
 
 bool WebImageDecoder::isFailed() const
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     return m_private->failed();
 }
 
 bool WebImageDecoder::isSizeAvailable() const
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     return m_private->isSizeAvailable();
 }
 
 WebSize WebImageDecoder::size() const
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     return m_private->size();
 }
 
 size_t WebImageDecoder::frameCount() const
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     return m_private->frameCount();
 }
 
 bool WebImageDecoder::isFrameCompleteAtIndex(int index) const
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index);
     if (!frameBuffer)
         return false;
     return frameBuffer->getStatus() == ImageFrame::FrameComplete;
 }
 
 WebImage WebImageDecoder::getFrameAtIndex(int index = 0) const
 {
-    ASSERT(m_private);
+    DCHECK(m_private);
     ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index);
     if (!frameBuffer)
         return WebImage();
     return WebImage(frameBuffer->bitmap());
 }
 
 } // namespace blink