Remove WebGraphicsContext3D getter from cc::ContextProvider

cc/test/test_in_process_context_provider.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TEST_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
 #define CC_TEST_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
 
 #include "cc/output/context_provider.h"
 #include "skia/ext/refptr.h"
 
 class GrContext;
 
 namespace gpu {
 class GLInProcessContext;
 }
 
 namespace cc {
 
 scoped_ptr<gpu::GLInProcessContext> CreateTestInProcessContext();
 
 class TestInProcessContextProvider : public ContextProvider {
  public:
   TestInProcessContextProvider();
 
   virtual bool BindToCurrentThread() OVERRIDE;
-  virtual blink::WebGraphicsContext3D* Context3d() OVERRIDE;
   virtual gpu::gles2::GLES2Interface* ContextGL() OVERRIDE;
   virtual gpu::ContextSupport* ContextSupport() OVERRIDE;
   virtual class GrContext* GrContext() OVERRIDE;
   virtual void MakeGrContextCurrent() OVERRIDE;
   virtual Capabilities ContextCapabilities() OVERRIDE;
   virtual bool IsContextLost() OVERRIDE;
   virtual void VerifyContexts() OVERRIDE;
   virtual bool DestroyedOnMainThread() OVERRIDE;
   virtual void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) OVERRIDE;
   virtual void SetMemoryPolicyChangedCallback(
       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
       OVERRIDE;
 
  protected:
   friend class base::RefCountedThreadSafe<TestInProcessContextProvider>;
   virtual ~TestInProcessContextProvider();
 
  private:
   skia::RefPtr<class GrContext> gr_context_;
   scoped_ptr<gpu::GLInProcessContext> context_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_