Explicitly disable audio debug recordings in its browser test.

content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc

Index: content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc
diff --git a/content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc b/content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc
index e3015e9f390a91272be74502ca643fed1903145e..ff94ef4b7fa5a082c15a62bd6eb4f7c1b81cf966 100644
--- a/content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc
+++ b/content/browser/webrtc/webrtc_audio_debug_recordings_browsertest.cc
@@ -144,6 +144,8 @@ IN_PROC_BROWSER_TEST_F(WebRtcAudioDebugRecordingsBrowserTest,
   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));
@@ -280,6 +282,8 @@ IN_PROC_BROWSER_TEST_F(WebRtcAudioDebugRecordingsBrowserTest,
       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;