Delete blink::WebGraphicsContext3D and cc_blink::ContextProviderWebContext

third_party/WebKit/Source/modules/webgl/WebGLContextGroup.h

 /*
  * Copyright (C) 2011 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 14 matching lines @@
 
 #ifndef WebGLContextGroup_h
 #define WebGLContextGroup_h
 
 #include "modules/webgl/WebGLRenderingContextBase.h"
 #include "wtf/HashSet.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
-class WebGraphicsContext3D;
-}
-
-namespace blink {
 
 class WebGLSharedObject;
 class WebGLRenderingContextBase;
 
 typedef int ExceptionCode;
 
 class WebGLContextGroup final : public RefCounted<WebGLContextGroup> {
 public:
     static PassRefPtr<WebGLContextGroup> create();
     ~WebGLContextGroup();
@@ skipping 21 matching lines @@
     // registration with WebGLContextGroup, and vice versa, the
     // WebGLContextGroup takes care of detaching the group objects if
     // the set of WebGLRenderingContextBase contexts becomes empty.
     HashSet<UntracedMember<WebGLRenderingContextBase>> m_contexts;
     HashSet<UntracedMember<WebGLSharedObject>> m_groupObjects;
 };
 
 } // namespace blink
 
 #endif // WebGLContextGroup_h