Move Version to base namespace.

webkit/plugins/npapi/plugin_utils.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 WEBKIT_PLUGINS_NPAPI_PLUGIN_UTILS_H_
 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_UTILS_H_
 
 #include "base/string16.h"
 #include "webkit/plugins/webkit_plugins_export.h"
 
+namespace base {
 class Version;
+}
 
 namespace webkit {
 namespace npapi {
 
 // Parse a version string as used by a plug-in. This method is more lenient
-// in accepting weird version strings than Version::GetFromString()
+// in accepting weird version strings than base::Version::GetFromString()
 WEBKIT_PLUGINS_EXPORT void CreateVersionFromString(
     const base::string16& version_string,
-    Version* parsed_version);
+    base::Version* parsed_version);
 
 // Returns true iff NPAPI plugins are supported on the current platform.
 WEBKIT_PLUGINS_EXPORT bool NPAPIPluginsSupported();
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_PLUGIN_UTILS_H_