Make ConnectionToClient and ClientSession not ref-counted.

remoting/host/screen_recorder.h

Index: remoting/host/screen_recorder.h
diff --git a/remoting/host/screen_recorder.h b/remoting/host/screen_recorder.h
index 303405e9ccb795491383c6c43249384c22431cfb..95e338a16a2052dac4fb58b8a1acddfe3219ddf2 100644
--- a/remoting/host/screen_recorder.h
+++ b/remoting/host/screen_recorder.h
@@ -94,10 +94,10 @@ class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> {
   void Stop(const base::Closure& done_task);
 
   // Add a connection to this recording session.
-  void AddConnection(scoped_refptr<protocol::ConnectionToClient> connection);
+  void AddConnection(protocol::ConnectionToClient* connection);
 
   // Remove a connection from receiving screen updates.
-  void RemoveConnection(scoped_refptr<protocol::ConnectionToClient> connection);
+  void RemoveConnection(protocol::ConnectionToClient* connection);
 
   // Remove all connections.
   void RemoveAllConnections();
@@ -165,8 +165,7 @@ class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> {
 
   // A list of clients connected to this hosts.
   // This member is always accessed on the network thread.
-  typedef std::vector<scoped_refptr<protocol::ConnectionToClient> >
-      ConnectionToClientList;
+  typedef std::vector<protocol::ConnectionToClient*> ConnectionToClientList;
   ConnectionToClientList connections_;
 
   // Flag that indicates recording has been started. This variable should only