Enable SurfaceTexture based zero-copy texture uploading on Android platform

content/common/gpu/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 <string>
 #include <vector>
 
@@ skipping 633 matching lines @@
 
 // Destroy a previously created gpu memory buffer.
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyGpuMemoryBuffer,
                     int32 /* id */)
 
 // Attaches an external image stream to the client texture.
 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_CreateStreamTexture,
                            uint32, /* client_texture_id */
                            int32   /* stream_id */)
 
+// Create SurfaceTexture based on the client texture.
+IPC_SYNC_MESSAGE_ROUTED1_2(
+    GpuCommandBufferMsg_CreateSurfaceTexture,
+    uint32, /* GpuCommandBuffer handle which is valid in renderer process */
+    uint32, /* SurfaceTexture handle which is valid in GPU process */
+    uint32) /* texture id generated in the GPU Process */
+
 //------------------------------------------------------------------------------
 // Accelerated Video Decoder Messages
 // These messages are sent from Renderer process to GPU process.
 
 // Send input buffer for decoding.
 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
                     base::SharedMemoryHandle, /* input_buffer_handle */
                     int32, /* bitstream_buffer_id */
                     uint32) /* size */
 
@@ skipping 107 matching lines @@
 
 // Notify the renderer that an output buffer has been filled with encoded data.
 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
                     int32 /* bitstream_buffer_id */,
                     uint32 /* payload_size */,
                     bool /* key_frame */)
 
 // Report error condition.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
                     media::VideoEncodeAccelerator::Error /* error */)