Replace string16 with base::string16.

chrome/browser/automation/automation_provider.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 "chrome/browser/automation/automation_provider.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 494 matching lines @@
                   params.search_string,
                   params.forward,
                   params.match_case,
                   params.find_next,
                   reply_message);
 }
 
 void AutomationProvider::SendFindRequest(
     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) {
   int request_id = FindInPageNotificationObserver::kFindInPageRequestId;
   FindInPageNotificationObserver* observer =
       new FindInPageNotificationObserver(this,
                                          web_contents,
                                          with_json,
                                          reply_message);
@@ skipping 226 matching lines @@
 
   return NULL;
 }
 
 void AutomationProvider::SaveAsAsync(int tab_handle) {
   NavigationController* tab = NULL;
   WebContents* web_contents = GetWebContentsForHandle(tab_handle, &tab);
   if (web_contents)
     web_contents->OnSavePage();
 }