Support multiple files for AEC dump.

content/common/media/media_stream_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.
 
 // IPC messages for the media streaming.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 
 #include "content/common/content_export.h"
@@ skipping 83 matching lines @@
 
 // The browser has failed to open a device.
 IPC_MESSAGE_ROUTED1(MediaStreamMsg_DeviceOpenFailed,
                     int /* request id */)
 
 // Response to enumerate devices request.
 IPC_MESSAGE_CONTROL2(MediaStreamMsg_GetSourcesACK,
                      int /* request id */,
                      content::StreamDeviceInfoArray /* device_list */)
 
-// The browser hands over a file handle to the renderer to use for AEC dump.
-// TODO(grunell): This should not belong to media stream. Change when
-// refactoring MediaStreamDependencyFactory.
-IPC_MESSAGE_CONTROL1(MediaStreamMsg_EnableAecDump,
-                     IPC::PlatformFileForTransit /* file_handle */)
-
-// Tell the renderer to disable AEC dump.
-IPC_MESSAGE_CONTROL0(MediaStreamMsg_DisableAecDump)
-
 // Messages sent from the renderer to the browser.
 
 // Request a new media stream.
 IPC_MESSAGE_CONTROL5(MediaStreamHostMsg_GenerateStream,
                      int /* render view id */,
                      int /* request id */,
                      content::StreamOptions /* components */,
                      GURL /* security origin */,
                      bool /* user_gesture */)
 
@@ skipping 32 matching lines @@
                      int /* render view id */,
                      int /* request id */,
                      std::string /* device_id */,
                      content::MediaStreamType /* type */,
                      GURL /* security origin */)
 
 // Request to close a device.
 IPC_MESSAGE_CONTROL2(MediaStreamHostMsg_CloseDevice,
                      int /* render view id */,
                      std::string /*label*/)