Replace string16 with base::string16.

chrome/browser/autocomplete/autocomplete_controller.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_AUTOCOMPLETE_AUTOCOMPLETE_CONTROLLER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CONTROLLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
@@ skipping 65 matching lines @@
   //
   // If |clear_result| is true, the controller will also erase the result set.
   void Stop(bool clear_result);
 
   // Begin asynchronously fetching zero-suggest suggestions for |url| of
   // classification |page_classification|. |permanent_text| is the omnibox
   // text for the current page.
   void StartZeroSuggest(
       const GURL& url,
       AutocompleteInput::PageClassification page_classification,
-      const string16& permanent_text);
+      const base::string16& permanent_text);
 
   // Cancels any pending zero-suggest fetch.
   void StopZeroSuggest();
 
   // Asks the relevant provider to delete |match|, and ensures observers are
   // notified of resulting changes immediately.  This should only be called when
   // no query is running.
   void DeleteMatch(const AutocompleteMatch& match);
 
   // Removes any entries that were copied from the last result. This is used by
@@ skipping 140 matching lines @@
 
   // Has StartZeroSuggest() been called but not Start()?
   bool in_zero_suggest_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteController);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CONTROLLER_H_