Move //c/b/services/gcm/ to //c/b/gcm/

chrome/browser/gcm/gcm_product_util.h

 // Copyright 2016 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_SERVICES_GCM_GCM_PRODUCT_UTIL_H_
-#define CHROME_BROWSER_SERVICES_GCM_GCM_PRODUCT_UTIL_H_
+#ifndef CHROME_BROWSER_GCM_GCM_PRODUCT_UTIL_H_
+#define CHROME_BROWSER_GCM_GCM_PRODUCT_UTIL_H_
 
 #include <string>
 
 class PrefRegistrySimple;
 class PrefService;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace gcm {
 
 // Returns a string like "com.chrome.macosx" that should be used as the GCM
 // category when an app_id is sent as a subtype instead of as a category. This
 // is generated once, then remains fixed forever (even if the product name
 // changes), since it must match existing Instance ID tokens.
 std::string GetProductCategoryForSubtypes(PrefService* prefs);
 
 void RegisterPrefs(PrefRegistrySimple* registry);
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
 }  // namespace gcm
 
-#endif  // CHROME_BROWSER_SERVICES_GCM_GCM_PRODUCT_UTIL_H_
+#endif  // CHROME_BROWSER_GCM_GCM_PRODUCT_UTIL_H_