Decouple Media Service

content/common/gpu/media/media_messages.h

 // Copyright 2016 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 "content/common/content_export.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 83 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(max_resolution)
   IPC_STRUCT_TRAITS_MEMBER(max_framerate_numerator)
   IPC_STRUCT_TRAITS_MEMBER(max_framerate_denominator)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(media::SubsampleEntry)
   IPC_STRUCT_TRAITS_MEMBER(clear_bytes)
   IPC_STRUCT_TRAITS_MEMBER(cypher_bytes)
 IPC_STRUCT_TRAITS_END()
 
+// Create and initialize a hardware jpeg decoder using the specified route_id.
+// Created decoders should be freed with AcceleratedJpegDecoderMsg_Destroy when
+// no longer needed.
+IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_CreateJpegDecoder,
+                            int32_t /* route_id */,
+                            bool /* succeeded */)
+
 // Create and initialize a hardware video decoder using the specified route_id.
 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 // no longer needed.
 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder,
                            media::VideoDecodeAccelerator::Config, /* config */
                            int32_t,                               /* route_id */
                            bool /* succeeded */)
 
 // Create and initialize a hardware video encoder using the specified route_id.
 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when
@@ skipping 150 matching lines @@
 IPC_MESSAGE_ROUTED0(AcceleratedJpegDecoderMsg_Destroy)
 
 //------------------------------------------------------------------------------
 // Accelerated JPEG Decoder Host Messages
 // These messages are sent from the GPU process to Browser process.
 //
 // Report decode status.
 IPC_MESSAGE_ROUTED2(AcceleratedJpegDecoderHostMsg_DecodeAck,
                     int32_t, /* bitstream_buffer_id */
                     media::JpegDecodeAccelerator::Error /* error */)