ExtensionSystem cleanup part 2

extensions/browser/extension_system.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_EXTENSION_SYSTEM_H_
 #define EXTENSIONS_BROWSER_EXTENSION_SYSTEM_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 33 matching lines @@
 // ExtensionSystem manages the lifetime of many of the services used by the
 // extensions and apps system, and it handles startup and shutdown as needed.
 // Eventually, we'd like to make more of these services into
 // BrowserContextKeyedServices in their own right.
 class ExtensionSystem : public BrowserContextKeyedService {
  public:
   ExtensionSystem();
   virtual ~ExtensionSystem();
 
   // Returns the instance for the given browser context, or NULL if none.
-  // A convenience wrapper around ExtensionSystemFactory::GetForBrowserContext.
   static ExtensionSystem* Get(content::BrowserContext* context);
 
   // Initializes extensions machinery.
   // Component extensions are always enabled, external and user extensions are
   // controlled by |extensions_enabled|.
   virtual void InitForRegularProfile(bool extensions_enabled) = 0;
 
   // The ExtensionService is created at startup.
   virtual ExtensionService* extension_service() = 0;
 
@@ skipping 58 matching lines @@
       const std::string& extension_id,
       const UnloadedExtensionInfo::Reason reason) {}
 
   // Signaled when the extension system has completed its startup tasks.
   virtual const OneShotEvent& ready() const = 0;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_SYSTEM_H_