Add a noise indicator to the speech bubble volume indicator.

chrome/browser/speech/speech_input_bubble_controller.cc

Index: chrome/browser/speech/speech_input_bubble_controller.cc
diff --git a/chrome/browser/speech/speech_input_bubble_controller.cc b/chrome/browser/speech/speech_input_bubble_controller.cc
index 2dd9a8bccad60d380487a760b2c9ee127eadb63d..a47cb1fe2533b3a72d5c8d44520dcf8eba52db9a 100644
--- a/chrome/browser/speech/speech_input_bubble_controller.cc
+++ b/chrome/browser/speech/speech_input_bubble_controller.cc
@@ -52,28 +52,29 @@ void SpeechInputBubbleController::CreateBubble(int caller_id,
 }
 
 void SpeechInputBubbleController::CloseBubble(int caller_id) {
-  ProcessRequestInUiThread(caller_id, REQUEST_CLOSE, string16(), 0);
+  ProcessRequestInUiThread(caller_id, REQUEST_CLOSE, string16(), 0, 0);
 }
 
 void SpeechInputBubbleController::SetBubbleRecordingMode(int caller_id) {
   ProcessRequestInUiThread(caller_id, REQUEST_SET_RECORDING_MODE,
-                           string16(), 0);
+                           string16(), 0, 0);
 }
 
 void SpeechInputBubbleController::SetBubbleRecognizingMode(int caller_id) {
   ProcessRequestInUiThread(caller_id, REQUEST_SET_RECOGNIZING_MODE,
-                           string16(), 0);
+                           string16(), 0, 0);
 }
 
 void SpeechInputBubbleController::SetBubbleInputVolume(int caller_id,
-                                                       float volume) {
+                                                       float volume,
+                                                       float noise_volume) {
   ProcessRequestInUiThread(caller_id, REQUEST_SET_INPUT_VOLUME, string16(),
-                           volume);
+                           volume, noise_volume);
 }
 
 void SpeechInputBubbleController::SetBubbleMessage(int caller_id,
                                                    const string16& text) {
-  ProcessRequestInUiThread(caller_id, REQUEST_SET_MESSAGE, text, 0);
+  ProcessRequestInUiThread(caller_id, REQUEST_SET_MESSAGE, text, 0, 0);
 }
 
 void SpeechInputBubbleController::UpdateTabContentsSubscription(
@@ -131,11 +132,12 @@ void SpeechInputBubbleController::Observe(NotificationType type,
 }
 
 void SpeechInputBubbleController::ProcessRequestInUiThread(
-    int caller_id, RequestType type, const string16& text, float volume) {
+    int caller_id, RequestType type, const string16& text, float volume,
+    float noise_volume) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, NewRunnableMethod(
         this, &SpeechInputBubbleController::ProcessRequestInUiThread,
-        caller_id, type, text, volume));
+        caller_id, type, text, volume, noise_volume));
     return;
   }
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -164,7 +166,7 @@ void SpeechInputBubbleController::ProcessRequestInUiThread(
       bubble->SetMessage(text);
       break;
     case REQUEST_SET_INPUT_VOLUME:
-      bubble->SetInputVolume(volume);
+      bubble->SetInputVolume(volume, noise_volume);
       break;
     case REQUEST_CLOSE:
       if (current_bubble_caller_id_ == caller_id)