Add missing accessor to ios PathProvider.

ios/chrome/browser/chrome_paths.h

 // Copyright 2015 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 IOS_CHROME_BROWSER_CHROME_PATHS_H_
 #define IOS_CHROME_BROWSER_CHROME_PATHS_H_
 
 // This file declares path keys for the Chrome on iOS application.  These can be
 // used with the PathService to access various special directories and files.
 
 namespace ios {
 
 enum {
   PATH_START = 2000,
 
   DIR_USER_DATA = PATH_START,  // Directory where user data can be written.
   DIR_CRASH_DUMPS,             // Directory where crash dumps are written.
   DIR_TEST_DATA,               // Directory where unit test data resides.
-
-  FILE_LOCAL_STATE,  // Path and filename to the file in which
-                     // installation-specific state is saved.
+  DIR_GLOBAL_GCM_STORE,        // Directory where the global GCM instance
+                               // stores its data.
+  FILE_LOCAL_STATE,            // Path and filename to the file in which
+                               // installation-specific state is saved.
+  FILE_RESOURCES_PACK,         // Full path to the .pak file containing binary
+                               // data (e.g. html files and images used by
+                               // internal pages).
 
   PATH_END
 };
 
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
 }  // namespace
 
 #endif  // IOS_CHROME_BROWSER_CHROME_PATHS_H_