Convert //remoting to use std::unique_ptr

remoting/host/ipc_input_injector.cc

Index: remoting/host/ipc_input_injector.cc
diff --git a/remoting/host/ipc_input_injector.cc b/remoting/host/ipc_input_injector.cc
index fb5fd090e0c236d216b6cc82b46d250f875a6b44..01d92ffffa7cb252f5eadf76e421ff99bb2258d4 100644
--- a/remoting/host/ipc_input_injector.cc
+++ b/remoting/host/ipc_input_injector.cc
@@ -40,7 +40,7 @@ void IpcInputInjector::InjectTouchEvent(const protocol::TouchEvent& event) {
 }
 
 void IpcInputInjector::Start(
-    scoped_ptr<protocol::ClipboardStub> client_clipboard) {
+    std::unique_ptr<protocol::ClipboardStub> client_clipboard) {
   desktop_session_proxy_->StartInputInjector(std::move(client_clipboard));
 }