VideoCapture: migrate VideoCapture renderer-->host messages to mojo, part 1

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/base/video_capture_types.h"
@@ skipping 54 matching lines @@
                      gfx::Size /* dimensions */,
                      int /* buffer_id */)
 
 // Tell the renderer process that it should release a buffer previously
 // allocated by VideoCaptureMsg_NewBuffer.
 IPC_MESSAGE_CONTROL2(VideoCaptureMsg_FreeBuffer,
                      int /* device id */,
                      int /* buffer_id */)
 
 // Tell the renderer process that a Buffer is available from video capture, and
-// send the associated VideoFrame constituient parts as IPC parameters.
+// send the associated VideoFrame constituent parts as IPC parameters.
 IPC_MESSAGE_CONTROL1(VideoCaptureMsg_BufferReady,
                      VideoCaptureMsg_BufferReady_Params)
 
 // Notify the renderer about a device's supported formats; this is a response
 // to a VideoCaptureHostMsg_GetDeviceSupportedFormats request.
 IPC_MESSAGE_CONTROL2(VideoCaptureMsg_DeviceSupportedFormatsEnumerated,
                      int /* device_id */,
                      media::VideoCaptureFormats /* supported_formats */)
 
 // Notify the renderer about a device's format(s) in use; this is a response
@@ skipping 39 matching lines @@
 
 // Get the formats supported by a device referenced by |capture_session_id|.
 IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_GetDeviceSupportedFormats,
                      int /* device_id */,
                      media::VideoCaptureSessionId /* session_id */)
 
 // Get the format(s) in use by a device referenced by |capture_session_id|.
 IPC_MESSAGE_CONTROL2(VideoCaptureHostMsg_GetDeviceFormatsInUse,
                      int /* device_id */,
                      media::VideoCaptureSessionId /* session_id */)