Replace the use of an int32* with a proper struct for decoder configuration.

content/common/gpu/gpu_messages.h

 // 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <vector>
 #include <string>
 
 #include "base/shared_memory.h"
 #include "content/common/common_param_traits.h"
 #include "content/common/gpu/gpu_info.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/ipc/gpu_command_buffer_traits.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
+#include "media/video/video_decode_accelerator.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
 #define IPC_MESSAGE_START GpuMsgStart
 
 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
   IPC_STRUCT_MEMBER(int32, share_group_id)
   IPC_STRUCT_MEMBER(std::string, allowed_extensions)
   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
   IPC_STRUCT_MEMBER(GURL, active_url)
@@ skipping 67 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 #if defined(OS_WIN)
   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 #endif
 IPC_STRUCT_TRAITS_END()
 
 IPC_ENUM_TRAITS(content::CauseForGpuLaunch)
 IPC_ENUM_TRAITS(gpu::error::ContextLostReason)
 
+IPC_ENUM_TRAITS(media::VideoDecodeAccelerator::Config::Format)
+IPC_ENUM_TRAITS(media::VideoDecodeAccelerator::Config::H264Profile)
+IPC_STRUCT_TRAITS_BEGIN(media::VideoDecodeAccelerator::Config)
+  IPC_STRUCT_TRAITS_MEMBER(format)
+  IPC_STRUCT_TRAITS_MEMBER(h264_profile)
+IPC_STRUCT_TRAITS_END()
+
 //------------------------------------------------------------------------------
 // GPU Messages
 // These are messages from the browser to the GPU process.
 
 // Tells the GPU process to initialize itself. The browser explicitly
 // requests this be done so that we are guaranteed that the channel is set
 // up between the browser and GPU process before doing any work that might
 // potentially crash the GPU process. Detection of the child process
 // exiting abruptly is predicated on having the IPC channel set up.
 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
@@ skipping 265 matching lines @@
 
 // Get the shared memory handle for a transfer buffer mapped to the callers
 // process.
 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_GetTransferBuffer,
                            int32 /* id */,
                            base::SharedMemoryHandle /* transfer_buffer */,
                            uint32 /* size */)
 
 // Create and initialize a hardware video decoder, returning its new route_id.
 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_CreateVideoDecoder,
-                           std::vector<int32> /* configs */,
+                           media::VideoDecodeAccelerator::Config /* config */,
                            int /* route_id */)
 
 // Release all resources held by the named hardware video decoder.
 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_DestroyVideoDecoder,
                            int /* route_id */)
 
 // Send from command buffer stub to proxy when window is invalid and must be
 // repainted.
 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_NotifyRepaint)
 
@@ skipping 114 matching lines @@
 
 // Confirm decoder has been reset.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 
 // Decoder has faced end of stream marker in the stream.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_EndOfStream)
 
 // Video decoder has encountered an error.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
                     uint32) /* Error ID */