Move CommandLine to base namespace.

remoting/host/win/unprivileged_process_delegate.h

Index: remoting/host/win/unprivileged_process_delegate.h
diff --git a/remoting/host/win/unprivileged_process_delegate.h b/remoting/host/win/unprivileged_process_delegate.h
index 230da6ebe36ad81a5e7b0212547938601813af4c..435958c6c730ae8ff48c0cbe039c7016ddb890b3 100644
--- a/remoting/host/win/unprivileged_process_delegate.h
+++ b/remoting/host/win/unprivileged_process_delegate.h
@@ -15,9 +15,8 @@
 #include "ipc/ipc_listener.h"
 #include "remoting/host/win/worker_process_launcher.h"
 
-class CommandLine;
-
 namespace base {
+class CommandLine;
 class SingleThreadTaskRunner;
 } // namespace base
 
@@ -37,7 +36,7 @@ class UnprivilegedProcessDelegate
  public:
   UnprivilegedProcessDelegate(
       scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
-      scoped_ptr<CommandLine> target_command);
+      scoped_ptr<base::CommandLine> target_command);
   virtual ~UnprivilegedProcessDelegate();
 
   // WorkerProcessLauncher::Delegate implementation.
@@ -59,7 +58,7 @@ class UnprivilegedProcessDelegate
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   // Command line of the launched process.
-  scoped_ptr<CommandLine> target_command_;
+  scoped_ptr<base::CommandLine> target_command_;
 
   // The server end of the IPC channel used to communicate to the worker
   // process.