Banish boilerplate. Profile-keyed API factory for extension API classes.

chrome/browser/extensions/api/tabs/tabs_windows_api.h

 // Copyright (c) 2012 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_TABS_TABS_WINDOWS_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_WINDOWS_API_H_
 
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/event_router.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 
 namespace extensions {
 class WindowsEventRouter;
 
 class TabsWindowsAPI : public ProfileKeyedService,
                        public extensions::EventRouter::Observer {
  public:
   explicit TabsWindowsAPI(Profile* profile);
@@ skipping 10 matching lines @@
   // EventRouter::Observer implementation.
   virtual void OnListenerAdded(const extensions::EventListenerInfo& details)
       OVERRIDE;
 
  private:
   Profile* profile_;
 
   scoped_ptr<WindowsEventRouter> windows_event_router_;
 };
 
+template <>
+struct ProfileKeyedAPIFactoryTraits<TabsWindowsAPI>
+    : public DefaultProfileKeyedAPIFactoryTraits {
+  static const char* name() {
+    return "TabsWindowsAPI";
+  }
+
+  static const bool kServiceIsNULLWhileTesting = true;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_WINDOWS_API_H_