Refactoring of new IPC-only pepper implementation

content/renderer/pepper/pepper_instance_state_accessor_impl.h

-// Copyright (c) 2012 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 CONTENT_RENDERER_PEPPER_PEPPER_INSTANCE_STATE_ACCESSOR_IMPL_H
-#define CONTENT_RENDERER_PEPPER_PEPPER_INSTANCE_STATE_ACCESSOR_IMPL_H
-
-#include "base/compiler_specific.h"
-#include "content/renderer/pepper/pepper_instance_state_accessor.h"
-
-namespace webkit {
-namespace ppapi {
-class PluginInstance;
-class PluginModule;
-}
-}
-
-namespace content {
-
-class PepperInstanceStateAccessorImpl : public PepperInstanceStateAccessor {
- public:
-  PepperInstanceStateAccessorImpl(webkit::ppapi::PluginModule* module);
-  virtual ~PepperInstanceStateAccessorImpl();
-
-  // PepperInstanceStateAccessor implmentation.
-  virtual bool IsValidInstance(PP_Instance instance) OVERRIDE;
-  virtual bool HasUserGesture(PP_Instance pp_instance) OVERRIDE;
-
- private:
-  // Retrieves the plugin instance object associated with the given PP_Instance
-  // and validates that it is one of the instances associated with our module.
-  // Returns NULL on failure.
-  //
-  // We use this to security check the PP_Instance values sent from a plugin to
-  // make sure it's not trying to spoof another instance.
-  webkit::ppapi::PluginInstance* GetAndValidateInstance(PP_Instance instance);
-
-  webkit::ppapi::PluginModule* module_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperInstanceStateAccessorImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_PEPPER_PEPPER_INSTANCE_STATE_ACCESSOR_IMPL_H