[Chromoting] Replace some bare pointers with scoped_ptrs, and improve naming.

remoting/host/server_log_entry.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_SERVER_LOG_ENTRY_H_
 #define REMOTING_HOST_SERVER_LOG_ENTRY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 14 matching lines @@
     ME2ME
   };
 
   // Constructs a log stanza. The caller should add one or more log entry
   // stanzas as children of this stanza, before sending the log stanza to
   // the remoting bot.
   static scoped_ptr<buzz::XmlElement> MakeStanza();
 
   // Constructs a log entry for a session state change.
   // Currently this is either connection or disconnection.
-  static ServerLogEntry* MakeSessionStateChange(bool connection);
+  static scoped_ptr<ServerLogEntry> MakeForSessionStateChange(bool connection);
 
   // Constructs a log entry for a heartbeat.
-  static ServerLogEntry* MakeForHeartbeat();
+  static scoped_ptr<ServerLogEntry> MakeForHeartbeat();
 
   ~ServerLogEntry();
 
   // Adds fields describing the host to this log entry.
   void AddHostFields();
 
   // Adds a field describing the mode of a connection to this log entry.
   void AddModeField(Mode mode);
 
   // Adds a field describing connection type (direct/stun/relay).
@@ skipping 10 matching lines @@
 
   static const char* GetValueSessionState(bool connected);
   static const char* GetValueMode(Mode mode);
 
   ValuesMap values_map_;
 };
 
 }  // namespace remoting
 
 #endif