Remove wstring from TemplateURL and friends....

chrome/browser/search_engines/search_provider_install_data.cc

Index: chrome/browser/search_engines/search_provider_install_data.cc
===================================================================
--- chrome/browser/search_engines/search_provider_install_data.cc	(revision 71269)
+++ chrome/browser/search_engines/search_provider_install_data.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -36,9 +36,9 @@
   virtual std::string GoogleBaseURLValue() const;
   virtual std::string GetApplicationLocale() const;
 #if defined(OS_WIN) && defined(GOOGLE_CHROME_BUILD)
-  virtual std::wstring GetRlzParameterValue() const {
+  virtual string16 GetRlzParameterValue() const {
     // This value doesn't matter for our purposes.
-    return std::wstring();
+    return string16();
   }
 #endif