Implement PPAPI VideoDecode out-of-process support

ppapi/proxy/ppb_buffer_proxy.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/proxy/ppb_buffer_proxy.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/dev/ppb_buffer_dev.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
-#include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_buffer_api.h"
 #include "ppapi/thunk/ppb_buffer_trusted_api.h"
 #include "ppapi/thunk/thunk.h"
 
 namespace pp {
 namespace proxy {
 
 namespace {
 
 InterfaceProxy* CreateBufferProxy(Dispatcher* dispatcher,
                                   const void* target_interface) {
   return new PPB_Buffer_Proxy(dispatcher, target_interface);
 }
 
 }  // namespace
 
-class Buffer : public ppapi::thunk::PPB_Buffer_API,
-               public PluginResource {
- public:
-  Buffer(const HostResource& resource,
-         const base::SharedMemoryHandle& shm_handle,
-         uint32_t size);
-  virtual ~Buffer();
-
-  // Resource overrides.
-  virtual Buffer* AsBuffer() OVERRIDE;
-
-  // ResourceObjectBase overrides.
-  virtual ppapi::thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE;
-
-  // PPB_Buffer_API implementation.
-  virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE;
-  virtual PP_Bool IsMapped() OVERRIDE;
-  virtual void* Map() OVERRIDE;
-  virtual void Unmap() OVERRIDE;
-
- private:
-  base::SharedMemory shm_;
-  uint32_t size_;
-  void* mapped_data_;
-  int map_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(Buffer);
-};
-
 Buffer::Buffer(const HostResource& resource,
                const base::SharedMemoryHandle& shm_handle,
                uint32_t size)
     : PluginResource(resource),
       shm_(shm_handle, false),
       size_(size),
       mapped_data_(NULL),
       map_count_(0) {
 }
 
@@ skipping 110 matching lines @@
 #elif defined(OS_POSIX)
       local_fd;
 #else
   #error Not implemented.
 #endif
   *result_shm_handle = dispatcher->ShareHandleWithRemote(platform_file, false);
 }
 
 }  // namespace proxy
 }  // namespace pp