Make callers of CommandLine use it via the base:: namespace.

chrome/browser/ui/startup/startup_browser_creator_interactive_uitest.cc

 // Copyright (c) 2013 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 <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 40 matching lines @@
   SessionStartupPref pref_urls(SessionStartupPref::URLS);
   pref_urls.urls.push_back(ui_test_utils::GetTestUrl(
       base::FilePath(base::FilePath::kCurrentDirectory),
       base::FilePath(FILE_PATH_LITERAL("title1.html"))));
   SessionStartupPref::SetStartupPref(profile_1, pref_urls);
   SessionStartupPref::SetStartupPref(profile_2, pref_urls);
   SessionStartupPref::SetStartupPref(profile_3, pref_urls);
   SessionStartupPref::SetStartupPref(profile_4, pref_urls);
 
   // Do a simple non-process-startup browser launch.
-  CommandLine dummy(CommandLine::NO_PROGRAM);
+  base::CommandLine dummy(base::CommandLine::NO_PROGRAM);
 
   int return_code;
   StartupBrowserCreator browser_creator;
   std::vector<Profile*> last_opened_profiles;
   last_opened_profiles.push_back(profile_1);
   last_opened_profiles.push_back(profile_2);
   last_opened_profiles.push_back(profile_3);
   last_opened_profiles.push_back(profile_4);
   browser_creator.Start(dummy, profile_manager->user_data_dir(), profile_2,
                         last_opened_profiles, &return_code);
@@ skipping 28 matching lines @@
 
   ASSERT_EQ(1u, chrome::GetBrowserCount(profile_4,
                                         browser()->host_desktop_type()));
   new_browser = FindBrowserWithProfile(profile_4,
                                        browser()->host_desktop_type());
   ASSERT_TRUE(new_browser);
   EXPECT_FALSE(new_browser->window()->IsActive());
 
 }
 #endif  // !OS_MACOSX && !OS_CHROMEOS