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

chrome/browser/fast_shutdown_browsertest.cc

 // Copyright (c) 2011 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/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_iterator.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/browser_test_utils.h"
 
 using content::BrowserThread;
 
 class FastShutdown : public InProcessBrowserTest {
  protected:
   FastShutdown() {
   }
 
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kDisablePopupBlocking);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FastShutdown);
 };
 
 // This tests for a previous error where uninstalling an onbeforeunload handler
 // would enable fast shutdown even if an onunload handler still existed.
 // Flaky on all platforms, http://crbug.com/89173
@@ skipping 25 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents(),
       content::RenderProcessHostWatcher::WATCH_FOR_HOST_DESTRUCTION);
   // Close the tab. This should launch the unload handler, which sets a cookie
   // that's stored to disk.
   chrome::CloseTab(browser());
   renderer_shutdown_observer.Wait();
 
   EXPECT_EQ("unloaded=ohyeah", content::GetCookies(browser()->profile(), url));
 }
 #endif