Move Version to base namespace.

chrome/browser/extensions/api/runtime/runtime_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_RUNTIME_RUNTIME_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Profile;
+
+namespace base {
 class Version;
+}
 
 namespace extensions {
 class Extension;
 class ExtensionHost;
 
 class RuntimeEventRouter {
  public:
   // Dispatches the onStartup event to all currently-loaded extensions.
   static void DispatchOnStartupEvent(Profile* profile,
                                      const std::string& extension_id);
 
   // Dispatches the onInstalled event to the given extension.
   static void DispatchOnInstalledEvent(Profile* profile,
                                        const std::string& extension_id,
-                                       const Version& old_version,
+                                       const base::Version& old_version,
                                        bool chrome_updated);
 
   // Dispatches the onUpdateAvailable event to the given extension.
   static void DispatchOnUpdateAvailableEvent(
       Profile* profile,
       const std::string& extension_id,
       const base::DictionaryValue* manifest);
 
   // Dispatches the onBrowserUpdateAvailable event to all extensions.
   static void DispatchOnBrowserUpdateAvailableEvent(Profile* profile);
@@ skipping 40 matching lines @@
   void CheckComplete();
   void ReplyUpdateFound(const std::string& version);
 
   content::NotificationRegistrar registrar_;
   bool did_reply_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_H_