Extract chrome.runtime API code from extensions::EventRouter

chrome/browser/extensions/api/runtime/runtime_api_factory.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_EXTENSIONS_MENU_MANAGER_FACTORY_H_
-#define CHROME_BROWSER_EXTENSIONS_MENU_MANAGER_FACTORY_H_
+#ifndef CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_FACTORY_H_
+#define CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_FACTORY_H_
 
-#include "base/memory/scoped_ptr.h"
+#include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
 
 class Profile;
 
 namespace extensions {
-class MenuManager;
 
-class MenuManagerFactory : public BrowserContextKeyedServiceFactory {
+class RuntimeAPI;
+
+// A RuntimeAPI object is created for every BrowserContext.
+class RuntimeAPIFactory : public BrowserContextKeyedServiceFactory {
  public:
-  static MenuManager* GetForProfile(Profile* profile);
+  static RuntimeAPI* GetForBrowserContext(content::BrowserContext* context);
 
-  static MenuManagerFactory* GetInstance();
+  static RuntimeAPIFactory* GetInstance();
 
  private:
-  friend struct DefaultSingletonTraits<MenuManagerFactory>;
+  friend struct DefaultSingletonTraits<RuntimeAPIFactory>;
 
-  MenuManagerFactory();
-  virtual ~MenuManagerFactory();
+  RuntimeAPIFactory();
+  virtual ~RuntimeAPIFactory();
 
+  // BrowserContextKeyedServiceFactory implementation.
   virtual BrowserContextKeyedService* BuildServiceInstanceFor(
       content::BrowserContext* profile) const OVERRIDE;
   virtual content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const OVERRIDE;
   virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(RuntimeAPIFactory);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_MENU_MANAGER_FACTORY_H_
+#endif  // CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_FACTORY_H_