feedback: List extensions using the chrome.power API.

extensions/browser/api/power/power_api.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_API_POWER_POWER_API_H_
 #define EXTENSIONS_BROWSER_API_POWER_POWER_API_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 48 matching lines @@
       const std::string&,
       scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> file_task_runner)>
       CreateBlockerFunction;
 
   static PowerAPI* Get(content::BrowserContext* context);
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<PowerAPI>* GetFactoryInstance();
 
+  // Map from extension ID to the corresponding level for each extension
+  // that has an outstanding request.
+  using ExtensionLevelMap = std::map<std::string, api::power::Level>;
+  const ExtensionLevelMap& extension_levels() const {
+    return extension_levels_;
+  }
+
   // 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);
 
   // 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.
@@ skipping 27 matching lines @@
   // Tests can change this to record what would've been done instead of
   // actually changing the system power-saving settings.
   CreateBlockerFunction create_blocker_function_;
 
   std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_;
 
   // Current level used by |power_save_blocker_|.  Meaningless if
   // |power_save_blocker_| is NULL.
   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;
+  // Outstanding requests.
   ExtensionLevelMap extension_levels_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerAPI);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_POWER_POWER_API_H_