Implement writing mic audio input data to file for debugging purposes.

content/browser/resources/media/webrtc_internals.js

 // Copyright (c) 2013 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.
 
 var USER_MEDIA_TAB_ID = 'user-media-tab-id';
 
 var tabView = null;
 var ssrcInfoManager = null;
 var peerConnectionUpdateTable = null;
 var statsTable = null;
@@ skipping 305 matching lines @@
     if (requests[i].rid == data.rid)
       $(USER_MEDIA_TAB_ID).removeChild(requests[i]);
 
   }
   if ($(USER_MEDIA_TAB_ID).childNodes.length == 0)
     tabView.removeTab(USER_MEDIA_TAB_ID);
 }
 
 
 /**
- * Notification that the AEC recording file selection dialog was cancelled,
- * i.e. AEC has not been enabled.
+ * Notification that the audio debug recordings file selection dialog was
+ * cancelled, i.e. recordings have not been enabled.
  */
-function aecRecordingFileSelectionCancelled() {
-  dumpCreator.disableAecRecording();
+function audioDebugRecordingsFileSelectionCancelled() {
+  dumpCreator.disableAudioDebugRecordings();
 }
 
 
 /**
  * Set
  */
-function enableAecRecording() {
-  dumpCreator.enableAecRecording();
+function enableAudioDebugRecordings() {
+  dumpCreator.enableAudioDebugRecordings();
 }