CommandLine API rework

chrome/browser/locale_tests_uitest.cc

 // Copyright (c) 2006-2008 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/test/ui/ui_test.h"
 
 class LocaleTestsDa : public UITest {
  public:
   LocaleTestsDa() : UITest() {
-    launch_arguments_.append(L" --lang=da");
+    launch_arguments_.AppendSwitchWithValue(L"lang", L"da");
   }
 };
 
 class LocaleTestsHe : public UITest {
  public:
   LocaleTestsHe() : UITest() {
-    launch_arguments_.append(L" --lang=he");
+    launch_arguments_.AppendSwitchWithValue(L"lang", L"he");
   }
 };
 
 class LocaleTestsZhTw : public UITest {
  public:
   LocaleTestsZhTw() : UITest() {
-    launch_arguments_.append(L" --lang=zh-tw");
+    launch_arguments_.AppendSwitchWithValue(L"lang", L"zh-tw");
   }
 };
 
 TEST_F(LocaleTestsDa, TestStart) {
   // Just making sure we can start/shutdown cleanly.
 }
 
 TEST_F(LocaleTestsHe, TestStart) {
   // Just making sure we can start/shutdown cleanly.
 }
 
 TEST_F(LocaleTestsZhTw, TestStart) {
   // Just making sure we can start/shutdown cleanly.
 }