Replace ToLower calls to the new format

chrome/browser/shell_integration_win.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/shell_integration.h"
 
 #include <windows.h>
 #include <shlwapi.h>
 #include <shobjidl.h>
 #include <propkey.h>  // Needs to come after shobjidl.h.
@@ skipping 368 matching lines @@
     if (key.Valid() && (key.ReadValue(L"Progid", &app_cmd) == ERROR_SUCCESS) &&
         app_cmd == L"FirefoxURL")
       ff_default = true;
   } else {
     base::string16 key_path(L"http");
     key_path.append(ShellUtil::kRegShellOpen);
     base::win::RegKey key(HKEY_CLASSES_ROOT, key_path.c_str(), KEY_READ);
     base::string16 app_cmd;
     if (key.Valid() && (key.ReadValue(L"", &app_cmd) == ERROR_SUCCESS) &&
         base::string16::npos !=
-        base::StringToLowerASCII(app_cmd).find(L"firefox"))
+        base::ToLowerASCII(app_cmd).find(L"firefox"))
       ff_default = true;
   }
   return ff_default;
 }
 
 base::string16 ShellIntegration::GetAppModelIdForProfile(
     const base::string16& app_name,
     const base::FilePath& profile_path) {
   std::vector<base::string16> components;
   components.push_back(app_name);
@@ skipping 181 matching lines @@
     }
 
     shortcut = shortcut.Append(shortcut_name).Append(shortcut_name +
                                                      installer::kLnkExt);
     if (base::PathExists(shortcut))
       return shortcut;
   }
 
   return base::FilePath();
 }