[Sync] Generalize StringOrdinal to handle ordinal_in_parent field

chrome/browser/extensions/extension_prefs.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_EXTENSION_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/linked_ptr.h"
 #include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/content_settings/content_settings_store.h"
 #include "chrome/browser/extensions/extension_prefs_scope.h"
 #include "chrome/browser/extensions/extension_scoped_prefs.h"
 #include "chrome/browser/extensions/management_policy.h"
 #include "chrome/browser/media_gallery/media_galleries_preferences.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/url_pattern_set.h"
-#include "chrome/common/string_ordinal.h"
+#include "sync/api/string_ordinal.h"
 
 class ExtensionPrefValueMap;
 class ExtensionSorting;
 class PrefService;
 class URLPatternSet;
 
 namespace extensions {
 class ExtensionPrefsUninstallExtension;
 struct ExtensionOmniboxSuggestion;
 
@@ skipping 82 matching lines @@
   // Get/Set the order that the browser actions appear in the action box.
   ExtensionIds GetActionBoxOrder();
   void SetActionBoxOrder(const ExtensionIds& extension_ids);
 
   // Called when an extension is installed, so that prefs get created.
   // If |page_ordinal| is an invalid ordinal, then a page will be found
   // for the App.
   void OnExtensionInstalled(const Extension* extension,
                             Extension::State initial_state,
                             bool from_webstore,
-                            const StringOrdinal& page_ordinal);
+                            const syncer::StringOrdinal& page_ordinal);
 
   // Called when an extension is uninstalled, so that prefs get cleaned up.
   void OnExtensionUninstalled(const std::string& extension_id,
                               const Extension::Location& location,
                               bool external_uninstall);
 
   // Called to change the extension's state when it is enabled/disabled.
   void SetExtensionState(const std::string& extension_id, Extension::State);
 
   // Returns all installed extensions
@@ skipping 429 matching lines @@
   scoped_ptr<ExtensionSorting> extension_sorting_;
 
   scoped_refptr<ContentSettingsStore> content_settings_store_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_