Fixing bug in RecordingImageBufferSurface::writePixels when using DisplayList2DCanvas

Source/platform/graphics/ImageBufferSurface.cpp

 /*
  * Copyright (c) 2013, 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 50 matching lines @@
             canvas()->drawARGB(255, 0, 0, 0, SkXfermode::kSrc_Mode);
         else
             canvas()->drawARGB(0, 0, 0, 0, SkXfermode::kClear_Mode);
         didClearCanvas();
     }
 }
 
 const SkBitmap& ImageBufferSurface::bitmap()
 {
     ASSERT(canvas());
-    willReadback();
+    willAccessPixels();
     return canvas()->getTopDevice()->accessBitmap(false);
 }
 
 const SkBitmap& ImageBufferSurface::cachedBitmap() const
 {
     DEFINE_STATIC_LOCAL(SkBitmap, nullBitmap, ());
     return nullBitmap;
 }
 
 } // namespace blink