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

chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.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 "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
@@ skipping 277 matching lines @@
   BrowserWindowTesting* window = browser()->window()->GetBrowserWindowTesting();
   ASSERT_TRUE(window);
   OmniboxViewViews* view = window->GetLocationBarView()->omnibox_view();
   ASSERT_TRUE(view);
   EXPECT_FALSE(view->GetRenderText()->background_is_transparent());
 }
 
 // Tests if executing a command hides touch editing handles.
 IN_PROC_BROWSER_TEST_F(OmniboxViewViewsTest,
                        DeactivateTouchEditingOnExecuteCommand) {
-  CommandLine::ForCurrentProcess()->AppendSwitch(switches::kEnableTouchEditing);
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kEnableTouchEditing);
 
   OmniboxView* view = NULL;
   ASSERT_NO_FATAL_FAILURE(GetOmniboxViewForBrowser(browser(), &view));
   OmniboxViewViews* omnibox_view_views = static_cast<OmniboxViewViews*>(view);
   views::TextfieldTestApi textfield_test_api(omnibox_view_views);
 
   // Put a URL on the clipboard. It is written to the clipboard upon destruction
   // of the writer.
   {
     ui::ScopedClipboardWriter clipboard_writer(
@@ skipping 23 matching lines @@
   // TextInputFocusManager completes.
   chrome::FocusLocationBar(browser());
   OmniboxView* view = NULL;
   ASSERT_NO_FATAL_FAILURE(GetOmniboxViewForBrowser(browser(), &view));
   OmniboxViewViews* omnibox_view_views = static_cast<OmniboxViewViews*>(view);
   ui::TextInputFocusManager* text_input_focus_manager =
       ui::TextInputFocusManager::GetInstance();
   EXPECT_EQ(omnibox_view_views->GetTextInputClient(),
             text_input_focus_manager->GetFocusedTextInputClient());
 }