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

ui/base/ime/remote_input_method_win.cc

Index: ui/base/ime/remote_input_method_win.cc
diff --git a/ui/base/ime/remote_input_method_win.cc b/ui/base/ime/remote_input_method_win.cc
index f198fc8719ddee4c5dcbee64ca3d078c17185bb4..ceb885631fae6e7c59de220fb92f345f33690b73 100644
--- a/ui/base/ime/remote_input_method_win.cc
+++ b/ui/base/ime/remote_input_method_win.cc
@@ -384,8 +384,8 @@ bool IsRemoteInputMethodWinRequired(gfx::AcceleratedWidget widget) {
   if (!process_handle.IsValid())
     return false;
   return base::win::IsProcessImmersive(process_handle.Get()) ||
-         CommandLine::ForCurrentProcess()->HasSwitch(
-            switches::kViewerConnect);
+         base::CommandLine::ForCurrentProcess()->HasSwitch(
+             switches::kViewerConnect);
 }
 
 RemoteInputMethodPrivateWin::RemoteInputMethodPrivateWin() {}