Add a noise indicator to the speech bubble volume indicator.

chrome/browser/speech/speech_input_bubble_controller.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_SPEECH_SPEECH_INPUT_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_SPEECH_SPEECH_INPUT_BUBBLE_CONTROLLER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 50 matching lines @@
 
   // Indicates to the user that recognition is in progress. If the bubble is
   // hidden, |Show| must be called to make it appear on screen.
   void SetBubbleRecognizingMode(int caller_id);
 
   // Displays the given string with the 'Try again' and 'Cancel' buttons. If the
   // bubble is hidden, |Show| must be called to make it appear on screen.
   void SetBubbleMessage(int caller_id, const string16& text);
 
   // Updates the current captured audio volume displayed on screen.
-  void SetBubbleInputVolume(int caller_id, float volume);
+  void SetBubbleInputVolume(int caller_id, float volume, float noise_volume);
 
   void CloseBubble(int caller_id);
 
   // SpeechInputBubble::Delegate methods.
   virtual void InfoBubbleButtonClicked(SpeechInputBubble::Button button);
   virtual void InfoBubbleFocusChanged();
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
@@ skipping 13 matching lines @@
     BUBBLE_ADDED,
     BUBBLE_REMOVED
   };
 
   void InvokeDelegateButtonClicked(int caller_id,
                                    SpeechInputBubble::Button button);
   void InvokeDelegateFocusChanged(int caller_id);
   void ProcessRequestInUiThread(int caller_id,
                                 RequestType type,
                                 const string16& text,
-                                float volume);
+                                float volume,
+                                float noise_volume);
 
   // Called whenever a bubble was added to or removed from the list. If the
   // bubble was being added, this method registers for close notifications with
   // the TabContents if this was the first bubble for the tab. Similarly if the
   // bubble was being removed, this method unregisters from TabContents if this
   // was the last bubble associated with that tab.
   void UpdateTabContentsSubscription(int caller_id,
                                      ManageSubscriptionAction action);
 
   // Only accessed in the IO thread.
@@ skipping 16 matching lines @@
 // This typedef is to workaround the issue with certain versions of
 // Visual Studio where it gets confused between multiple Delegate
 // classes and gives a C2500 error. (I saw this error on the try bots -
 // the workaround was not needed for my machine).
 typedef SpeechInputBubbleController::Delegate
     SpeechInputBubbleControllerDelegate;
 
 }  // namespace speech_input
 
 #endif  // CHROME_BROWSER_SPEECH_SPEECH_INPUT_BUBBLE_CONTROLLER_H_