Replace string16 with base::string16.

chrome/browser/chromeos/file_manager/file_browser_handlers.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/chromeos/file_manager/file_browser_handlers.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 61 matching lines @@
            handler_list->begin();
        handler_iter != handler_list->end();
        ++handler_iter) {
     if (handler_iter->get()->id() == action_id)
       return handler_iter->get();
   }
   return NULL;
 }
 
 std::string EscapedUtf8ToLower(const std::string& str) {
-  string16 utf16 = UTF8ToUTF16(
+  base::string16 utf16 = UTF8ToUTF16(
       net::UnescapeURLComponent(str, net::UnescapeRule::NORMAL));
   return net::EscapeUrlEncodedData(
       UTF16ToUTF8(base::i18n::ToLower(utf16)),
       false /* do not replace space with plus */);
 }
 
 // Finds file browser handlers that can handle the |selected_file_url|.
 FileBrowserHandlerList FindFileBrowserHandlersForURL(
     Profile* profile,
     const GURL& selected_file_url) {
@@ skipping 446 matching lines @@
       common_handlers.erase(gallery_iter);
     else
       common_handlers.erase(watch_iter);
   }
 
   return common_handlers;
 }
 
 }  // namespace file_browser_handlers
 }  // namespace file_manager