Delete blink::WebGraphicsContext3D and cc_blink::ContextProviderWebContext

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridgeTest.cpp

 /*
  * Copyright (C) 2011 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 54 matching lines @@
 
 class FakeWebGraphicsContext3DProvider : public WebGraphicsContext3DProvider {
 public:
     FakeWebGraphicsContext3DProvider(gpu::gles2::GLES2Interface* gl)
         : m_gl(gl)
     {
         RefPtr<const GrGLInterface> glInterface = adoptRef(GrGLCreateNullInterface());
         m_grContext = adoptRef(GrContext::Create(kOpenGL_GrBackend, reinterpret_cast<GrBackendContext>(glInterface.get())));
     }
 
-    WebGraphicsContext3D* context3d() override
-    {
-        return nullptr;
-    }
-
     GrContext* grContext() override
     {
         return m_grContext.get();
     }
 
     gpu::Capabilities getCapabilities()
     {
         return gpu::Capabilities();
     }
 
@@ skipping 956 matching lines @@
     WebExternalTextureMailbox mailbox;
     EXPECT_FALSE(bridge->prepareMailbox(&mailbox, 0));
     EXPECT_TRUE(bridge->checkSurfaceValid());
 
     // Tear down the bridge on the thread so that 'bridge' can go out of scope
     // without crashing due to thread checks
     postAndWaitDestroyBridgeTask(BLINK_FROM_HERE, testThread.get(), &bridge);
 }
 
 } // namespace blink