Remove more oilpan.

sky/engine/core/html/canvas/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 474 matching lines @@
 
     ~ScopedTexture2DRestorer()
     {
         m_context->restoreCurrentTexture2D();
     }
 
 private:
     RawPtr<WebGLRenderingContextBase> m_context;
 };
 
-class WebGLRenderingContextLostCallback final : public DummyBase<WebGLRenderingContextLostCallback>, public blink::WebGraphicsContext3D::WebGraphicsContextLostCallback {
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+class WebGLRenderingContextLostCallback final : public blink::WebGraphicsContext3D::WebGraphicsContextLostCallback {
+    WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<WebGLRenderingContextLostCallback> create(WebGLRenderingContextBase* context)
     {
         return adoptPtr(new WebGLRenderingContextLostCallback(context));
     }
 
     virtual ~WebGLRenderingContextLostCallback() { }
 
     virtual void onContextLost() { m_context->forceLostContext(WebGLRenderingContextBase::RealLostContext, WebGLRenderingContextBase::Auto); }
 
     void trace(Visitor* visitor)
     {
         visitor->trace(m_context);
     }
 
 private:
     explicit WebGLRenderingContextLostCallback(WebGLRenderingContextBase* context)
         : m_context(context) { }
 
     RawPtr<WebGLRenderingContextBase> m_context;
 };
 
-class WebGLRenderingContextErrorMessageCallback final : public DummyBase<WebGLRenderingContextErrorMessageCallback>, public blink::WebGraphicsContext3D::WebGraphicsErrorMessageCallback {
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+class WebGLRenderingContextErrorMessageCallback final : public blink::WebGraphicsContext3D::WebGraphicsErrorMessageCallback {
+    WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<WebGLRenderingContextErrorMessageCallback> create(WebGLRenderingContextBase* context)
     {
         return adoptPtr(new WebGLRenderingContextErrorMessageCallback(context));
     }
 
     virtual ~WebGLRenderingContextErrorMessageCallback() { }
 
     virtual void onErrorMessage(const blink::WebString& message, blink::WGC3Dint)
     {
@@ skipping 5148 matching lines @@
     return m_sharedWebGraphicsContext3D ? m_sharedWebGraphicsContext3D->drawingBuffer() : 0;
 }
 #else
 DrawingBuffer* WebGLRenderingContextBase::drawingBuffer() const
 {
     return m_drawingBuffer.get();
 }
 #endif
 
 } // namespace blink