Fix a bunch of IWYU violators that don't include scoped_ptr.h

dbus/exported_object.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_EXPORTED_OBJECT_H_
 #define DBUS_EXPORTED_OBJECT_H_
 
 #include <dbus/dbus.h>
 
 #include <map>
 #include <string>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "dbus/dbus_export.h"
 #include "dbus/object_path.h"
 
 namespace dbus {
 
 class Bus;
 class MethodCall;
@@ skipping 146 matching lines @@
 
   // The method table where keys are absolute method names (i.e. interface
   // name + method name), and values are the corresponding callbacks.
   typedef std::map<std::string, MethodCallCallback> MethodTable;
   MethodTable method_table_;
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_EXPORTED_OBJECT_H_