Removing GraphicsContext from ImageBuffer

Source/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * 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:
  * 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 82 matching lines @@
     , m_displayItemList(displayItemList)
     , m_paintStateStack()
     , m_paintStateIndex(0)
 #if ENABLE(ASSERT)
     , m_layerCount(0)
     , m_disableDestructionChecks(false)
     , m_inDrawingRecorder(false)
 #endif
     , m_disabledState(disableContextOrPainting)
     , m_deviceScaleFactor(1.0f)
-    , m_accelerated(false)
     , m_printing(false)
 {
     // FIXME: Do some tests to determine how many states are typically used, and allocate
     // several here.
     m_paintStateStack.append(GraphicsContextState::create());
     m_paintState = m_paintStateStack.last().get();
 
     if (contextDisabled()) {
         DEFINE_STATIC_LOCAL(RefPtr<SkCanvas>, nullCanvas, (adoptRef(SkCreateNullCanvas())));
         m_canvas = nullCanvas.get();
@@ skipping 1446 matching lines @@
     static const SkPMColor colors[] = {
         SkPreMultiplyARGB(0x60, 0xFF, 0x00, 0x00), // More transparent red
         SkPreMultiplyARGB(0x60, 0xC0, 0xC0, 0xC0)  // More transparent gray
     };
 
     return colors[index];
 }
 #endif
 
 } // namespace blink