Added supported formats caching to VideoCaptureManager.

content/common/media/video_capture_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.
 
 #include "base/memory/shared_memory.h"
 #include "content/common/content_export.h"
 #include "content/common/media/video_capture.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_message_macros.h"
 #include "media/video/capture/video_capture_types.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START VideoCaptureMsgStart
 
 IPC_ENUM_TRAITS(content::VideoCaptureState)
 
 IPC_STRUCT_TRAITS_BEGIN(media::VideoCaptureParams)
   IPC_STRUCT_TRAITS_MEMBER(requested_format)
   IPC_STRUCT_TRAITS_MEMBER(allow_resolution_change)
 IPC_STRUCT_TRAITS_END()
 
-IPC_STRUCT_TRAITS_BEGIN(media::VideoCaptureCapability)
-  IPC_STRUCT_TRAITS_MEMBER(supported_format)
-IPC_STRUCT_TRAITS_END()
-
 // TODO(nick): device_id in these messages is basically just a route_id. We
 // should shift to IPC_MESSAGE_ROUTED and use MessageRouter in the filter impls.
 
 // Notify the renderer process about the state update such as
 // Start/Pause/Stop.
 IPC_MESSAGE_CONTROL2(VideoCaptureMsg_StateChanged,
                      int /* device id */,
                      content::VideoCaptureState /* new state */)
 
 // Tell the renderer process that a new buffer is allocated for video capture.
@@ skipping 29 matching lines @@
 
 // Close the video capture specified by |device_id|.
 IPC_MESSAGE_CONTROL1(VideoCaptureHostMsg_Stop,
                      int /* device_id */)
 
 // Tell the browser process that the renderer has finished reading from
 // a buffer previously delivered by VideoCaptureMsg_BufferReady.
 IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_BufferReady,
                      int /* device_id */,
                      int /* buffer_id */)