Add FilePath to base namespace.

webkit/glue/simple_webmimeregistry_impl.cc

 // 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.
 
 #include "webkit/glue/simple_webmimeregistry_impl.h"
 
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/mime_util.h"
@@ skipping 121 matching lines @@
 WebString SimpleWebMimeRegistryImpl::mimeTypeFromFile(
     const WebString& file_path) {
   std::string mime_type;
   net::GetMimeTypeFromFile(webkit_base::WebStringToFilePath(file_path),
                            &mime_type);
   return ASCIIToUTF16(mime_type);
 }
 
 WebString SimpleWebMimeRegistryImpl::preferredExtensionForMIMEType(
     const WebString& mime_type) {
-  FilePath::StringType file_extension;
+  base::FilePath::StringType file_extension;
   net::GetPreferredExtensionForMimeType(ToASCIIOrEmpty(mime_type),
                                         &file_extension);
   return webkit_base::FilePathStringToWebString(file_extension);
 }
 
 }  // namespace webkit_glue