Convert //remoting to use std::unique_ptr

remoting/protocol/host_event_dispatcher.cc

Index: remoting/protocol/host_event_dispatcher.cc
diff --git a/remoting/protocol/host_event_dispatcher.cc b/remoting/protocol/host_event_dispatcher.cc
index 4032c0a2dc5a68d766779dcd2950e99f75802b4c..0ee78d0d59185dc0d63728b826c913bbba6b60cd 100644
--- a/remoting/protocol/host_event_dispatcher.cc
+++ b/remoting/protocol/host_event_dispatcher.cc
@@ -19,10 +19,12 @@ HostEventDispatcher::HostEventDispatcher()
     : ChannelDispatcherBase(kEventChannelName) {}
 HostEventDispatcher::~HostEventDispatcher() {}
 
-void HostEventDispatcher::OnIncomingMessage(scoped_ptr<CompoundBuffer> buffer) {
+void HostEventDispatcher::OnIncomingMessage(
+    std::unique_ptr<CompoundBuffer> buffer) {
   DCHECK(input_stub_);
 
-  scoped_ptr<EventMessage> message = ParseMessage<EventMessage>(buffer.get());
+  std::unique_ptr<EventMessage> message =
+      ParseMessage<EventMessage>(buffer.get());
   if (!message)
     return;