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

ui/gl/gl_surface_win.cc

 // Copyright (c) 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 "ui/gl/gl_surface.h"
 
 #include <dwmapi.h>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 335 matching lines @@
     }
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() {
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableD3D11) ||
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseWarp))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableD3D11) ||
+      base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseWarp))
     return GetDC(NULL);
   return EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE;
 }
 
 }  // namespace gfx