Creating a skeleton for Google Now for Chrome implementation.

chrome/browser/ui/google_now/google_now_service_factory.h

Index: chrome/browser/ui/google_now/google_now_service_factory.h
diff --git a/chrome/browser/ui/google_now/google_now_service_factory.h b/chrome/browser/ui/google_now/google_now_service_factory.h
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+++ b/chrome/browser/ui/google_now/google_now_service_factory.h
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+// 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_UI_GOOGLE_NOW_GOOGLE_NOW_SERVICE_FACTORY_H_
+#define CHROME_BROWSER_UI_GOOGLE_NOW_GOOGLE_NOW_SERVICE_FACTORY_H_
+
+#include "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+class GoogleNowService;
+class Profile;
+template<typename Type> struct DefaultSingletonTraits;
+
+// Singleton that owns all GoogleNowService and associates them with
+// Profiles.
+class GoogleNowServiceFactory : public ProfileKeyedServiceFactory {
+ public:
+  static GoogleNowService* GetForProfile(Profile* profile);
+  static GoogleNowServiceFactory* GetInstance();
+
+ private:
+  friend DefaultSingletonTraits<GoogleNowServiceFactory>;
+
+  GoogleNowServiceFactory();
+
+  // ProfileKeyedServiceFactory:
+  virtual ProfileKeyedService* BuildServiceInstanceFor(
+      Profile* profile) const OVERRIDE;
+};
+
+#endif  // CHROME_BROWSER_UI_GOOGLE_NOW_GOOGLE_NOW_SERVICE_FACTORY_H_