Explicitly disable audio debug recordings in its browser test.

content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc

 // Copyright 2015 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 <stdint.h>
 
 #include "base/process/process_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
@@ skipping 126 matching lines @@
 
   // This fakes the behavior of another open tab with webrtc-internals, and
   // enabling audio debug recordings in that tab.
   WebRTCInternals::GetInstance()->FileSelected(base_file_path, -1, NULL);
 
   // Make a call.
   GURL url(embedded_test_server()->GetURL("/media/peerconnection-call.html"));
   NavigateToURL(shell(), url);
   ExecuteJavascriptAndWaitForOk("call({video: true, audio: true});");
 
+  WebRTCInternals::GetInstance()->DisableAudioDebugRecordings();
+
   // Verify that the expected AEC dump file exists and contains some data.
   base::ProcessId render_process_id = base::kNullProcessId;
   EXPECT_TRUE(GetRenderProcessHostId(&render_process_id));
   base::FilePath file_path =
       GetExpectedAecDumpFileName(base_file_path, render_process_id);
   EXPECT_TRUE(base::PathExists(file_path));
   int64_t file_size = 0;
   EXPECT_TRUE(base::GetFileSize(file_path, &file_size));
   EXPECT_GT(file_size, 0);
   base::DeleteFile(file_path, false);
@@ skipping 116 matching lines @@
   // Make the calls.
   GURL url(embedded_test_server()->GetURL("/media/peerconnection-call.html"));
   NavigateToURL(shell(), url);
   NavigateToURL(shell2, url);
   ExecuteJavascriptAndWaitForOk("call({video: true, audio: true});");
   std::string result;
   EXPECT_TRUE(ExecuteScriptAndExtractString(
       shell2, "call({video: true, audio: true});", &result));
   ASSERT_STREQ("OK", result.c_str());
 
+  WebRTCInternals::GetInstance()->DisableAudioDebugRecordings();
+
   RenderProcessHost::iterator it =
       content::RenderProcessHost::AllHostsIterator();
   base::FilePath file_path;
   int64_t file_size = 0;
 
   for (; !it.IsAtEnd(); it.Advance()) {
     base::ProcessId render_process_id =
         base::GetProcId(it.GetCurrentValue()->GetHandle());
     EXPECT_NE(base::kNullProcessId, render_process_id);
 
@@ skipping 29 matching lines @@
   }
 
   // Verify that no other files exist and remove temp dir.
   EXPECT_TRUE(base::IsDirectoryEmpty(temp_dir_path));
   EXPECT_TRUE(base::DeleteFile(temp_dir_path, false));
 
   base::ThreadRestrictions::SetIOAllowed(prev_io_allowed);
 }
 
 }  // namespace content