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

dbus/test_service.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 DBUS_TEST_SERVICE_H_
 #define DBUS_TEST_SERVICE_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
@@ skipping 23 matching lines @@
     Options();
     ~Options();
 
     // NULL by default (i.e. don't use the D-Bus thread).
     scoped_refptr<base::MessageLoopProxy> dbus_thread_message_loop_proxy;
   };
 
   // The number of methods we'll export.
   static const int kNumMethodsToExport;
 
-  TestService(const Options& options);
+  explicit TestService(const Options& options);
   virtual ~TestService();
 
   // Starts the service in a separate thread.
   // Returns true if the thread is started successfully.
   bool StartService();
 
   // Waits until the service is started (i.e. all methods are exported).
   // Returns true on success.
   bool WaitUntilServiceIsStarted() WARN_UNUSED_RESULT;
 
@@ skipping 96 matching lines @@
   // True iff this instance has successfully acquired the name ownership.
   bool has_ownership_;
 
   scoped_refptr<Bus> bus_;
   ExportedObject* exported_object_;
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_TEST_SERVICE_H_