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

remoting/host/desktop_session_win.cc

Index: remoting/host/desktop_session_win.cc
diff --git a/remoting/host/desktop_session_win.cc b/remoting/host/desktop_session_win.cc
index a57c7a4129f7050835b6a2fa9f52e93ee2c60346..35fb4f46a32f1558229fb68f1cc9369e4d8e1b43 100644
--- a/remoting/host/desktop_session_win.cc
+++ b/remoting/host/desktop_session_win.cc
@@ -529,12 +529,11 @@ void DesktopSessionWin::OnSessionAttached(uint32 session_id) {
 
   session_attach_timer_.Stop();
 
-  scoped_ptr<CommandLine> target(new CommandLine(desktop_binary));
+  scoped_ptr<base::CommandLine> target(new base::CommandLine(desktop_binary));
   target->AppendSwitchASCII(kProcessTypeSwitchName, kProcessTypeDesktop);
   // Copy the command line switches enabling verbose logging.
-  target->CopySwitchesFrom(*CommandLine::ForCurrentProcess(),
-                           kCopiedSwitchNames,
-                           arraysize(kCopiedSwitchNames));
+  target->CopySwitchesFrom(*base::CommandLine::ForCurrentProcess(),
+                           kCopiedSwitchNames, arraysize(kCopiedSwitchNames));
 
   // Create a delegate capable of launching a process in a different session.
   scoped_ptr<WtsSessionProcessDelegate> delegate(