Move UTF16ToASCII, remove WideToASCII.

content/browser/session_history_browsertest.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 "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
@@ skipping 67 matching lines @@
     NavigateToURL(shell(), url);
   }
 
   // Navigate session history using history.go(distance).
   void JavascriptGo(std::string distance) {
     GURL url("javascript:history.go('" + distance + "')");
     NavigateToURL(shell(), url);
   }
 
   std::string GetTabTitle() {
-    return UTF16ToASCII(shell()->web_contents()->GetTitle());
+    return base::UTF16ToASCII(shell()->web_contents()->GetTitle());
   }
 
   GURL GetTabURL() {
     return shell()->web_contents()->GetLastCommittedURL();
   }
 
   GURL GetURL(const std::string file) {
     return embedded_test_server()->GetURL(
         std::string("/session_history/") + file);
   }
@@ skipping 391 matching lines @@
   NavigateToURL(shell(), GetURL("title2.html"));
 
   ASSERT_TRUE(ExecuteScriptAndExtractInt(
       shell()->web_contents(),
       "domAutomationController.send(history.length)",
       &length));
   EXPECT_EQ(2, length);
 }
 
 }  // namespace content