Add user customizable launch type for apps.

chrome/browser/prefs/pref_service.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.
 
 // This provides a way to access the application's current preferences.
 
 #ifndef CHROME_BROWSER_PREFS_PREF_SERVICE_H_
 #define CHROME_BROWSER_PREFS_PREF_SERVICE_H_
 #pragma once
 
@@ skipping 221 matching lines @@
   // Registration of pref change observers must be done using the
   // PrefChangeRegistrar, which is declared as a friend here to grant it
   // access to the otherwise protected members Add/RemovePrefObserver.
   // PrefMember registers for preferences changes notification directly to
   // avoid the storage overhead of the registrar, so its base class must be
   // declared as a friend, too.
   friend class PrefChangeRegistrar;
   friend class subtle::PrefMemberBase;
 
   // If the pref at the given path changes, we call the observer's Observe
-  // method with NOTIFY_PREF_CHANGED. Note that observers should not call
-  // these methods directly but rather use a PrefChangeRegistrar to make sure
-  // the observer gets cleaned up properly.
+  // method with PREF_CHANGED. Note that observers should not call these methods
+  // directly but rather use a PrefChangeRegistrar to make sure the observer
+  // gets cleaned up properly.
   virtual void AddPrefObserver(const char* path, NotificationObserver* obs);
   virtual void RemovePrefObserver(const char* path, NotificationObserver* obs);
 
   // Add a preference to the PreferenceMap.  If the pref already exists, return
   // false.  This method takes ownership of |default_value|.
   void RegisterPreference(const char* path, Value* default_value);
 
   // Returns a copy of the current pref value.  The caller is responsible for
   // deleting the returned object.
   Value* GetPrefCopy(const char* pref_name);
@@ skipping 13 matching lines @@
   // and owned by this PrefService. Subclasses may access it for unit testing.
   scoped_refptr<PrefValueStore> pref_value_store_;
 
   // A set of all the registered Preference objects.
   PreferenceSet prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefService);
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_SERVICE_H_