CommandLine API rework

chrome/test/startup/startup_test.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 "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/ui/ui_test.h"
@@ skipping 92 matching lines @@
 
 class StartupFileTest : public StartupTest {
  public:
   // Load a file on startup rather than about:blank.  This tests a longer
   // startup path, including resource loading and the loading of gears.dll.
   void SetUp() {
     std::wstring file_url;
     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &file_url));
     file_util::AppendToPath(&file_url, L"empty.html");
     ASSERT_TRUE(file_util::PathExists(file_url));
-    launch_arguments_ += file_url;
+    launch_arguments_.AppendLooseValue(file_url);
 
     pages_ = WideToUTF8(file_url);
   }
 };
 }  // namespace
 
 TEST_F(StartupTest, Perf) {
   RunStartupTest(L"warm", L"t", false /* not cold */, true /* important */);
 }
 
@@ skipping 11 matching lines @@
 TEST_F(StartupFileTest, PerfGears) {
   RunStartupTest(L"warm", L"gears", false /* not cold */,
                  false /* not important */);
 }
 
 TEST_F(StartupFileTest, PerfColdGears) {
   RunStartupTest(L"cold", L"gears", true /* cold */,
                  false /* not important */);
 }