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

ui/views/examples/examples_main.cc

 // Copyright 2012 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/at_exit.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/i18n/icu_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
@@ skipping 24 matching lines @@
 
 #if defined(USE_X11)
 #include "ui/gfx/x/x11_connection.h"
 #endif
 
 int main(int argc, char** argv) {
 #if defined(OS_WIN)
   ui::ScopedOleInitializer ole_initializer_;
 #endif
 
-  CommandLine::Init(argc, argv);
+  base::CommandLine::Init(argc, argv);
 
   base::AtExitManager at_exit;
 
 #if defined(USE_X11)
   // This demo uses InProcessContextFactory which uses X on a separate Gpu
   // thread.
   gfx::InitializeThreadedX11();
 #endif
 
   gfx::GLSurface::InitializeOneOff();
@@ skipping 45 matching lines @@
   }
 
   ui::ShutdownInputMethod();
 
 #if defined(USE_AURA)
   aura::Env::DeleteInstance();
 #endif
 
   return 0;
 }