Cleaned up the WebRtcAudioCapturer a bit.

content/browser/media/webrtc_browsertest.cc

 // 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/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/trace_event_analyzer.h"
 #include "base/values.h"
@@ skipping 249 matching lines @@
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 
   GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
   NavigateToURL(shell(), url);
 
   ASSERT_TRUE(ExecuteJavascript("getUserMediaAndClone();"));
 
   ExpectTitle("OK");
 }
 
+IN_PROC_BROWSER_TEST_F(WebrtcBrowserTest, TwoGetUserMediaAndStop) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+  NavigateToURL(shell(), url);
+
+  ASSERT_TRUE(ExecuteJavascript(
+      "twoGetUserMediaAndStop({video: true, audio: true});"));
+
+  ExpectTitle("OK");
+}
+
 IN_PROC_BROWSER_TEST_F(WebrtcBrowserTest, GetUserMediaWithMandatorySourceID_1) {
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 
   std::vector<std::string> audio_ids;
   std::vector<std::string> video_ids;
   GetSources(&audio_ids, &video_ids);
 
   GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
   NavigateToURL(shell(), url);
 
@@ skipping 580 matching lines @@
   EXPECT_TRUE(base::PathExists(dump_file));
   int64 file_size = 0;
   EXPECT_TRUE(base::GetFileSize(dump_file, &file_size));
   EXPECT_EQ(0, file_size);
 
   base::DeleteFile(dump_file, false);
 }
 
 
 }  // namespace content