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

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.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/views/widget/desktop_aura/desktop_window_tree_host_x11.h"
 
 #include <X11/extensions/shape.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xregion.h>
@@ skipping 1016 matching lines @@
       window_type = atom_cache_.GetAtom("_NET_WM_WINDOW_TYPE_NORMAL");
       break;
   }
   if (swa.override_redirect)
     attribute_mask |= CWOverrideRedirect;
 
   // Detect whether we're running inside a compositing manager. If so, try to
   // use the ARGB visual. Otherwise, just use our parent's visual.
   Visual* visual = CopyFromParent;
   int depth = CopyFromParent;
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableTransparentVisuals) &&
-      XGetSelectionOwner(xdisplay_,
-                         atom_cache_.GetAtom("_NET_WM_CM_S0")) != None) {
+      XGetSelectionOwner(xdisplay_, atom_cache_.GetAtom("_NET_WM_CM_S0")) !=
+          None) {
     Visual* rgba_visual = GetARGBVisual();
     if (rgba_visual) {
       visual = rgba_visual;
       depth = 32;
 
       attribute_mask |= CWColormap;
       swa.colormap = XCreateColormap(xdisplay_, x_root_window_, visual,
                                      AllocNone);
 
       // x.org will BadMatch if we don't set a border when the depth isn't the
@@ skipping 877 matching lines @@
   if (linux_ui) {
     ui::NativeTheme* native_theme = linux_ui->GetNativeTheme(window);
     if (native_theme)
       return native_theme;
   }
 
   return ui::NativeTheme::instance();
 }
 
 }  // namespace views