Add a tray notification UI for speech input recording in the extension API.

chrome/browser/speech/extension_speech_input_manager.h

Index: chrome/browser/speech/extension_speech_input_manager.h
diff --git a/chrome/browser/extensions/speech_input/extension_speech_input_manager.h b/chrome/browser/speech/extension_speech_input_manager.h
similarity index 93%
rename from chrome/browser/extensions/speech_input/extension_speech_input_manager.h
rename to chrome/browser/speech/extension_speech_input_manager.h
index 1bda889cba91b9f7b9e0b1c4352c122db8952c64..5fa6a2fc25fffda98d2cc7c7738a83c361206a65 100644
--- a/chrome/browser/extensions/speech_input/extension_speech_input_manager.h
+++ b/chrome/browser/speech/extension_speech_input_manager.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_SPEECH_INPUT_EXTENSION_SPEECH_INPUT_MANAGER_H_
-#define CHROME_BROWSER_EXTENSIONS_SPEECH_INPUT_EXTENSION_SPEECH_INPUT_MANAGER_H_
+#ifndef CHROME_BROWSER_SPEECH_EXTENSION_SPEECH_INPUT_MANAGER_H_
+#define CHROME_BROWSER_SPEECH_EXTENSION_SPEECH_INPUT_MANAGER_H_
 #pragma once
 
-#include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
+#include "chrome/browser/speech/extension_speech_input_notification_ui.h"
 #include "content/browser/speech/speech_recognizer.h"
 #include "content/common/speech_input_result.h"
 #include "content/public/browser/notification_observer.h"
@@ -123,7 +123,7 @@ class ExtensionSpeechInputManager
                                  OVERRIDE;
   virtual void DidCompleteEnvironmentEstimation(int caller_id) OVERRIDE;
   virtual void SetInputVolume(int caller_id, float volume,
-                              float noise_volume) OVERRIDE {}
+                              float noise_volume) OVERRIDE;
 
   // Methods for API testing.
   void SetExtensionSpeechInterface(ExtensionSpeechInterface* interface);
@@ -165,6 +165,7 @@ class ExtensionSpeechInputManager
                                 const std::string& json_args);
   void ExtensionUnloaded(const std::string& extension_id);
 
+  void SetInputVolumeOnUIThread(float volume);
   void ResetToIdleState();
 
   virtual ~ExtensionSpeechInputManager();
@@ -188,6 +189,7 @@ class ExtensionSpeechInputManager
   // Used in the UI thread.
   content::NotificationRegistrar registrar_;
   ExtensionSpeechInterface* speech_interface_;
+  ExtensionSpeechInputNotificationUI notification_;
 };
 
-#endif  // CHROME_BROWSER_EXTENSIONS_SPEECH_INPUT_EXTENSION_SPEECH_INPUT_MANAGER_H_
+#endif  // CHROME_BROWSER_SPEECH_EXTENSION_SPEECH_INPUT_MANAGER_H_