Move chrome.power API from chrome/ to extensions/.

extensions/browser/api/power/power_api_manager.h

 // Copyright (c) 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_EXTENSIONS_API_POWER_POWER_API_MANAGER_H_
-#define CHROME_BROWSER_EXTENSIONS_API_POWER_POWER_API_MANAGER_H_
+#ifndef EXTENSIONS_BROWSER_API_POWER_POWER_API_MANAGER_H_
+#define EXTENSIONS_BROWSER_API_POWER_POWER_API_MANAGER_H_
 
 #include <map>
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
-#include "chrome/common/extensions/api/power.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/power_save_blocker.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/browser/extension_registry_observer.h"
+#include "extensions/common/api/power.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 
 // Handles calls made via the chrome.power API. There is a separate instance of
 // this class for each profile, as requests are tracked by extension ID, but a
 // regular and incognito profile will share the same instance.
 // TODO(derat): Move this to power_api.h and rename it to PowerApi.
 class PowerApiManager : public BrowserContextKeyedAPI,
-                        public content::NotificationObserver,

[Ken Rockot(use gerrit already), 2014/07/02 23:32:09]

Deleted NotificationObserver is best NotificationObserver!

                         public extensions::ExtensionRegistryObserver {
  public:
   typedef base::Callback<scoped_ptr<content::PowerSaveBlocker>(
       content::PowerSaveBlocker::PowerSaveBlockerType,
       const std::string&)> CreateBlockerFunction;
 
   static PowerApiManager* Get(content::BrowserContext* context);
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<PowerApiManager>* GetFactoryInstance();
 
   // Adds an extension lock at |level| for |extension_id|, replacing the
   // extension's existing lock, if any.
-  void AddRequest(const std::string& extension_id, api::power::Level level);
+  void AddRequest(const std::string& extension_id,
+                  core_api::power::Level level);
 
   // Removes an extension lock for an extension. Calling this for an
   // extension id without a lock will do nothing.
   void RemoveRequest(const std::string& extension_id);
 
   // Replaces the function that will be called to create PowerSaveBlocker
   // objects.  Passing an empty callback will revert to the default.
   void SetCreateBlockerFunctionForTesting(CreateBlockerFunction function);
 
-  // Overridden from content::NotificationObserver.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
   // Overridden from extensions::ExtensionRegistryObserver.
   virtual void OnExtensionUnloaded(content::BrowserContext* browser_context,
                                    const Extension* extension,
                                    UnloadedExtensionInfo::Reason reason)
       OVERRIDE;
 
  private:
   friend class BrowserContextKeyedAPIFactory<PowerApiManager>;
 
   explicit PowerApiManager(content::BrowserContext* context);
   virtual ~PowerApiManager();
 
   // Updates |power_save_blocker_| and |current_level_| after iterating
   // over |extension_levels_|.
   void UpdatePowerSaveBlocker();
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() { return "PowerApiManager"; }
   static const bool kServiceRedirectedInIncognito = true;
   static const bool kServiceIsCreatedWithBrowserContext = false;
   virtual void Shutdown() OVERRIDE;
 
   content::BrowserContext* browser_context_;
 
-  content::NotificationRegistrar registrar_;
-
   // Function that should be called to create PowerSaveBlocker objects.
   // Tests can change this to record what would've been done instead of
   // actually changing the system power-saving settings.
   CreateBlockerFunction create_blocker_function_;
 
   scoped_ptr<content::PowerSaveBlocker> power_save_blocker_;
 
   // Current level used by |power_save_blocker_|.  Meaningless if
   // |power_save_blocker_| is NULL.
-  api::power::Level current_level_;
+  core_api::power::Level current_level_;
 
   // Map from extension ID to the corresponding level for each extension
   // that has an outstanding request.
-  typedef std::map<std::string, api::power::Level> ExtensionLevelMap;
+  typedef std::map<std::string, core_api::power::Level> ExtensionLevelMap;
   ExtensionLevelMap extension_levels_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerApiManager);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_POWER_POWER_API_MANAGER_H_
+#endif  // EXTENSIONS_BROWSER_API_POWER_POWER_API_MANAGER_H_