Part 4 of cc/ directory shuffles: output

cc/context_provider.h

-// Copyright (c) 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_CONTEXT_PROVIDER_H_
-#define CC_CONTEXT_PROVIDER_H_
-
-#include "base/memory/ref_counted.h"
-
-class GrContext;
-namespace WebKit { class WebGraphicsContext3D; }
-
-namespace cc {
-
-class ContextProvider : public base::RefCountedThreadSafe<ContextProvider> {
- public:
-  // Bind the 3d context to the current thread. This should be called before
-  // accessing the contexts. Calling it more than once should have no effect.
-  // Once this function has been called, the class should only be accessed
-  // from the same thread.
-  virtual bool BindToCurrentThread() = 0;
-
-  virtual WebKit::WebGraphicsContext3D* Context3d() = 0;
-  virtual class GrContext* GrContext() = 0;
-
-  // Ask the provider to check if the contexts are valid or lost. If they are,
-  // this should invalidate the provider so that it can be replaced with a new
-  // one.
-  virtual void VerifyContexts() = 0;
-
-  // A method to be called from the main thread that should return true if
-  // the context inside the provider is no longer valid.
-  virtual bool DestroyedOnMainThread() = 0;
-
- protected:
-  friend class base::RefCountedThreadSafe<ContextProvider>;
-  virtual ~ContextProvider() {}
-};
-
-}  // namespace cc
-
-#endif  // CC_CONTEXT_PROVIDER_H_