Integrate Surface requests with MediaPlayerRenderer

gpu/ipc/common/gpu_messages.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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/memory/shared_memory.h"
+#include "base/unguessable_token.h"
 #include "build/build_config.h"
 #include "gpu/command_buffer/common/capabilities.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "gpu/command_buffer/common/texture_in_use_response.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/gpu_export.h"
@@ skipping 100 matching lines @@
 
 #if defined(OS_ANDROID)
 //------------------------------------------------------------------------------
 // Stream Texture Messages
 // Tells the GPU process create and send the java surface texture object to
 // the renderer process through the binder thread.
 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
                     int32_t, /* primary_id */
                     int32_t /* secondary_id */)
 
+// Tells the StreamTexture to send its SurfaceTexture to the browser process,
+// via the ScopedSurfaceRequestConduit.
+IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_ForwardForSurfaceRequest,
+                    base::UnguessableToken)
+
 // Tells the GPU process to set the size of StreamTexture from the given
 // stream Id.
 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize, gfx::Size /* size */)
 
 // Tells the service-side instance to start sending frame available
 // notifications.
 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 
 // Inform the renderer that a new frame is available.
 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
@@ skipping 96 matching lines @@
                     GpuCommandBufferMsg_CreateImage_Params /* params */)
 
 // Destroy a previously created image.
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage, int32_t /* id */)
 
 // Attaches an external image stream to the client texture.
 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
                            uint32_t, /* client_texture_id */
                            int32_t,  /* stream_id */
                            bool /* succeeded */)