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

content/browser/media/webrtc_internals_unittest.cc

 // 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.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/values.h"
 #include "content/browser/media/webrtc_internals.h"
 #include "content/browser/media/webrtc_internals_ui_observer.h"
 #include "content/public/test/test_browser_thread.h"
@@ skipping 259 matching lines @@
 
   EXPECT_EQ("addStats", observer->command());
   base::DictionaryValue* dict = NULL;
   EXPECT_TRUE(observer->value()->GetAsDictionary(&dict));
 
   VerifyInt(dict, "pid", pid);
   VerifyInt(dict, "lid", lid);
   VerifyList(dict, "reports", list);
 }
 
-TEST_F(WebRtcInternalsTest, AecRecordingFileSelectionCanceled) {
+TEST_F(WebRtcInternalsTest, AudioDebugRecordingsFileSelectionCanceled) {
   scoped_ptr<MockWebRtcInternalsProxy> observer(new MockWebRtcInternalsProxy());
   WebRTCInternals::GetInstance()->AddObserver(observer.get());
   WebRTCInternals::GetInstance()->FileSelectionCanceled(NULL);
-  EXPECT_EQ("aecRecordingFileSelectionCancelled", observer->command());
+  EXPECT_EQ("audioDebugRecordingsFileSelectionCancelled", observer->command());
   EXPECT_EQ(NULL, observer->value());
 }
 
 }  // namespace content