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

content/browser/media/webrtc_internals_message_handler.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 "content/browser/media/webrtc_internals_message_handler.h"
 
 #include "content/browser/media/webrtc_internals.h"
 #include "content/common/media/peer_connection_tracker_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 
 namespace content {
 
 WebRTCInternalsMessageHandler::WebRTCInternalsMessageHandler() {
   WebRTCInternals::GetInstance()->AddObserver(this);
 }
 
 WebRTCInternalsMessageHandler::~WebRTCInternalsMessageHandler() {
   WebRTCInternals::GetInstance()->RemoveObserver(this);
 }
 
 void WebRTCInternalsMessageHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("getAllStats",
       base::Bind(&WebRTCInternalsMessageHandler::OnGetAllStats,
                  base::Unretained(this)));
 
-  web_ui()->RegisterMessageCallback("enableAecRecording",
-      base::Bind(&WebRTCInternalsMessageHandler::OnSetAecRecordingEnabled,
-                 base::Unretained(this), true));
+  web_ui()->RegisterMessageCallback("enableAudioDebugRecordings",
+      base::Bind(
+          &WebRTCInternalsMessageHandler::OnSetAudioDebugRecordingsEnabled,
+          base::Unretained(this),
+          true));
 
-  web_ui()->RegisterMessageCallback("disableAecRecording",
-      base::Bind(&WebRTCInternalsMessageHandler::OnSetAecRecordingEnabled,
-                 base::Unretained(this), false));
+  web_ui()->RegisterMessageCallback("disableAudioDebugRecordings",
+      base::Bind(
+          &WebRTCInternalsMessageHandler::OnSetAudioDebugRecordingsEnabled,
+          base::Unretained(this),
+          false));
 
   web_ui()->RegisterMessageCallback("finishedDOMLoad",
       base::Bind(&WebRTCInternalsMessageHandler::OnDOMLoadDone,
                  base::Unretained(this)));
 }
 
 void WebRTCInternalsMessageHandler::OnGetAllStats(
     const base::ListValue* /* unused_list */) {
   for (RenderProcessHost::iterator i(
        content::RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {
     i.GetCurrentValue()->Send(new PeerConnectionTracker_GetAllStats());
   }
 }
 
-void WebRTCInternalsMessageHandler::OnSetAecRecordingEnabled(
+void WebRTCInternalsMessageHandler::OnSetAudioDebugRecordingsEnabled(
     bool enable, const base::ListValue* /* unused_list */) {
-  if (enable)
-    WebRTCInternals::GetInstance()->EnableAecDump(web_ui()->GetWebContents());
-  else
-    WebRTCInternals::GetInstance()->DisableAecDump();
+  if (enable) {
+    WebRTCInternals::GetInstance()->EnableAudioDebugRecordings(
+        web_ui()->GetWebContents());
+  } else {
+    WebRTCInternals::GetInstance()->DisableAudioDebugRecordings();
+  }
 }
 
 void WebRTCInternalsMessageHandler::OnDOMLoadDone(
     const base::ListValue* /* unused_list */) {
   WebRTCInternals::GetInstance()->UpdateObserver(this);
 
-  if (WebRTCInternals::GetInstance()->aec_dump_enabled()) {
+  if (WebRTCInternals::GetInstance()->IsAudioDebugRecordingsEnabled()) {
     std::vector<const base::Value*> args_vector;
-    base::string16 script = WebUI::GetJavascriptCall("setAecRecordingEnabled",
-                                                     args_vector);
+    base::string16 script =
+        WebUI::GetJavascriptCall("setAudioDebugRecordingsEnabled", args_vector);
     RenderFrameHost* host = web_ui()->GetWebContents()->GetMainFrame();
     if (host)
       host->ExecuteJavaScript(script);
   }
 }
 
 void WebRTCInternalsMessageHandler::OnUpdate(const std::string& command,
                                              const base::Value* args) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   std::vector<const base::Value*> args_vector;
   if (args)
     args_vector.push_back(args);
   base::string16 update = WebUI::GetJavascriptCall(command, args_vector);
 
   RenderFrameHost* host = web_ui()->GetWebContents()->GetMainFrame();
   if (host)
     host->ExecuteJavaScript(update);
 }
 
 }  // namespace content