Add missing (and remove superfluous) 'explicit' from constructors.

remoting/protocol/jingle_session_manager.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_PROTOCOL_JINGLE_SESSION_MANAGER_H_
 #define REMOTING_PROTOCOL_JINGLE_SESSION_MANAGER_H_
 
 #include <map>
 #include <list>
 #include <string>
@@ skipping 32 matching lines @@
 // creating outgoing sessions.
 class JingleSessionManager : public SessionManager,
                              public SignalStrategy::Listener {
  public:
   // When |fetch_stun_relay_config| is set to true then
   // JingleSessionManager will also try to query configuration of STUN
   // and Relay servers from the signaling server.
   //
   // TODO(sergeyu): Move NAT-traversal config fetching to a separate
   // class.
-  explicit JingleSessionManager(
+  JingleSessionManager(
       scoped_ptr<TransportFactory> transport_factory,
       bool fetch_stun_relay_config);
   virtual ~JingleSessionManager();
 
   // SessionManager interface.
   virtual void Init(SignalStrategy* signal_strategy,
                     SessionManager::Listener* listener) OVERRIDE;
   virtual scoped_ptr<Session> Connect(
       const std::string& host_jid,
       scoped_ptr<Authenticator> authenticator,
@@ skipping 39 matching lines @@
 
   SessionsMap sessions_;
 
   DISALLOW_COPY_AND_ASSIGN(JingleSessionManager);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_JINGLE_SESSION_MANAGER_H_