Revert of Fixed WebGL printing crash due to failed buffer allocation

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

 /*
  * Copyright (C) 2009 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1227 matching lines @@
     if (isContextLost())
         return false;
 
     bool mustClearNow = clearIfComposited() != Skipped;
     if (!m_markedCanvasDirty && !mustClearNow)
         return false;
 
     canvas()->clearCopiedImage();
     m_markedCanvasDirty = false;
 
-    if (!canvas()->buffer())
-        return false;
-
     ScopedTexture2DRestorer restorer(this);
     ScopedFramebufferRestorer fboRestorer(this);
 
     drawingBuffer()->commit();
     if (!canvas()->buffer()->copyRenderingResultsFromDrawingBuffer(drawingBuffer(), sourceBuffer)) {
         canvas()->ensureUnacceleratedImageBuffer();
         if (canvas()->hasImageBuffer())
             drawingBuffer()->paintRenderingResultsToCanvas(canvas()->buffer());
     }
 
@@ skipping 5476 matching lines @@
 
     return totalBytesPerPixel;
 }
 
 DrawingBuffer* WebGLRenderingContextBase::drawingBuffer() const
 {
     return m_drawingBuffer.get();
 }
 
 } // namespace blink