Replace string16 with base::string16.

chrome/browser/automation/automation_provider.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.
 
 // This implements a browser-side endpoint for UI automation activity.
 // The client-side endpoint is implemented by AutomationProxy.
 // The entire lifetime of this object should be contained within that of
 // the BrowserProcess, and in particular the NotificationService that's
 // hung off of it.
 
@@ skipping 182 matching lines @@
   // TODO(phajdan.jr): Remove |reply_message_|, it is error-prone.
   IPC::Message* reply_message_;
 
   // Consumer for asynchronous history queries.
   CancelableRequestConsumer consumer_;
 
   // Sends a find request for a given query.
   void SendFindRequest(
       content::WebContents* web_contents,
       bool with_json,
-      const string16& search_string,
+      const base::string16& search_string,
       bool forward,
       bool match_case,
       bool find_next,
       IPC::Message* reply_message);
 
   scoped_refptr<AutomationResourceMessageFilter>
       automation_resource_message_filter_;
 
   // True iff we should open a new automation IPC channel if it closes.
   bool reinitialize_on_channel_error_;
@@ skipping 122 matching lines @@
   // True iff ChromeOS webui login ui is ready.
   bool login_webui_ready_;
 
   // ID of automation channel.
   std::string channel_id_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_