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

remoting/host/log_to_server.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_LOG_TO_SERVER_H_
 #define REMOTING_HOST_LOG_TO_SERVER_H_
 
 #include <deque>
 #include <map>
 #include <string>
@@ skipping 19 matching lines @@
 class ChromotingHost;
 class IqSender;
 
 // LogToServer sends log entries to a server.
 // The contents of the log entries are described in server_log_entry.cc.
 // They do not contain any personally identifiable information.
 class LogToServer : public base::NonThreadSafe,
                     public HostStatusObserver,
                     public SignalStrategy::Listener {
  public:
-  explicit LogToServer(ChromotingHost* host,
-                       ServerLogEntry::Mode mode,
-                       SignalStrategy* signal_strategy);
+  LogToServer(ChromotingHost* host,
+              ServerLogEntry::Mode mode,
+              SignalStrategy* signal_strategy);
   virtual ~LogToServer();
 
   // Logs a session state change. Currently, this is either
   // connection or disconnection.
   void LogSessionStateChange(const std::string& jid, bool connected);
 
   // SignalStrategy::Listener interface.
   virtual void OnSignalStrategyStateChange(
       SignalStrategy::State state) OVERRIDE;
   virtual bool OnSignalStrategyIncomingStanza(
@@ skipping 20 matching lines @@
   std::map<std::string, protocol::TransportRoute::RouteType>
       connection_route_type_;
   std::deque<ServerLogEntry> pending_entries_;
 
   DISALLOW_COPY_AND_ASSIGN(LogToServer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_LOG_TO_SERVER_H_