Revert 277208 "[PPAPI] Compositor API implementation."

content/renderer/pepper/pepper_compositor_host.h

-// Copyright 2014 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_COMPOSITOR_H_
-#define CONTENT_RENDERER_PEPPER_PEPPER_COMPOSITOR_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "ppapi/host/host_message_context.h"
-#include "ppapi/host/resource_host.h"
-#include "ppapi/shared_impl/compositor_layer_data.h"
-
-namespace base {
-class SharedMemory;
-}  // namespace
-
-namespace cc {
-class Layer;
-}  // namespace cc
-
-namespace content {
-
-class PepperPluginInstanceImpl;
-class RendererPpapiHost;
-
-class PepperCompositorHost : public ppapi::host::ResourceHost {
- public:
-  PepperCompositorHost(RendererPpapiHost* host,
-                       PP_Instance instance,
-                       PP_Resource resource);
-  // Associates this device with the given plugin instance. You can pass NULL
-  // to clear the existing device. Returns true on success. In this case, a
-  // repaint of the page will also be scheduled. Failure means that the device
-  // is already bound to a different instance, and nothing will happen.
-  bool BindToInstance(PepperPluginInstanceImpl* new_instance);
-
-  const scoped_refptr<cc::Layer> layer() { return layer_; };
-
-  void ViewInitiatedPaint();
-  void ViewFlushedPaint();
-
- private:
-  virtual ~PepperCompositorHost();
-
-  void UpdateLayer(const scoped_refptr<cc::Layer>& layer,
-                   const ppapi::CompositorLayerData* old_layer,
-                   const ppapi::CompositorLayerData* new_layer,
-                   scoped_ptr<base::SharedMemory> image_shm);
-  void ResourceReleased(int32_t id,
-                        uint32_t sync_point,
-                        bool is_lost);
-  void ImageReleased(int32_t id,
-                     const scoped_ptr<base::SharedMemory>& shared_memory,
-                     uint32_t sync_point,
-                     bool is_lost);
-
-  // ResourceMessageHandler overrides:
-  virtual int32_t OnResourceMessageReceived(
-      const IPC::Message& msg,
-      ppapi::host::HostMessageContext* context) OVERRIDE;
-
-  // ppapi::host::ResourceHost overrides:
-  virtual bool IsCompositorHost() OVERRIDE;
-
-  // Message handlers:
-  int32_t OnHostMsgCommitLayers(
-      ppapi::host::HostMessageContext* context,
-      const std::vector<ppapi::CompositorLayerData>& layers,
-      bool reset);
-
-  // Non-owning pointer to the plugin instance this context is currently bound
-  // to, if any. If the context is currently unbound, this will be NULL.
-  PepperPluginInstanceImpl* bound_instance_;
-
-  // The toplevel cc::Layer. It is the parent of other cc::Layers.
-  scoped_refptr<cc::Layer> layer_;
-
-  // A list of layers. It is used for updating layers' properties in
-  // subsequent CommitLayers() calls.
-  struct LayerData {
-    LayerData(const scoped_refptr<cc::Layer>& cc,
-              const ppapi::CompositorLayerData& pp);
-    ~LayerData();
-
-    scoped_refptr<cc::Layer> cc_layer;
-    ppapi::CompositorLayerData pp_layer;
-  };
-  std::vector<LayerData> layers_;
-
-  ppapi::host::ReplyMessageContext commit_layers_reply_context_;
-
-  base::WeakPtrFactory<PepperCompositorHost> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperCompositorHost);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_PEPPER_PEPPER_COMPOSITOR_H_