Hotword Audio Verification app: control the hotword settings

chrome/browser/search/hotword_service.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_SEARCH_HOTWORD_SERVICE_H_
 #define CHROME_BROWSER_SEARCH_HOTWORD_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 58 matching lines @@
   virtual bool IsHotwordAllowed();
 
   // Checks if the user has opted into audio logging. Returns true if the user
   // is opted in, false otherwise..
   bool IsOptedIntoAudioLogging();
 
   // Control the state of the hotword extension.
   void EnableHotwordExtension(ExtensionService* extension_service);
   void DisableHotwordExtension(ExtensionService* extension_service);
 
-  // Handles launching the Hotword Audio Verification extension when the user
-  // turns it on via the settings menu.
-  void OnHotwordAlwaysOnSearchEnabledChanged(const std::string& pref_name);
-
   // Handles enabling/disabling the hotword extension when the user
   // turns it off via the settings menu.
   void OnHotwordSearchEnabledChanged(const std::string& pref_name);
 
   // Called to handle the hotword session from |client|.
   void RequestHotwordSession(HotwordClient* client);
   void StopHotwordSession(HotwordClient* client);
   HotwordClient* client() { return client_; }
 
   // Checks if the current version of the hotword extension should be
@@ skipping 20 matching lines @@
   // These methods are for launching, and getting and setting the launch mode of
   // the Hotword Audio Verification App.
   //
   // TODO(kcarattini): Remove this when
   // https://code.google.com/p/chromium/issues/detail?id=165573 is fixed,
   // at which time we can simply launch the app in the given mode instead of
   // having to check for it here.
   enum LaunchMode {
     AUDIO_HISTORY_ONLY,
     HOTWORD_ONLY,
-    HOTWORD_AND_AUDIO_HISTORY
+    HOTWORD_AND_AUDIO_HISTORY,
+    SPEECH_TRAINING
   };
   void LaunchHotwordAudioVerificationApp(const LaunchMode& launch_mode);
   virtual LaunchMode GetHotwordAudioVerificationLaunchMode();
 
  private:
   Profile* profile_;
 
   PrefChangeRegistrar pref_registrar_;
 
   content::NotificationRegistrar registrar_;
@@ skipping 11 matching lines @@
 
   base::WeakPtrFactory<HotwordService> weak_factory_;
 
   // Stores the launch mode for the Hotword Audio Verification App.
   LaunchMode hotword_audio_verification_launch_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(HotwordService);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_HOTWORD_SERVICE_H_