Fix IWYU violators that don't include scoped_ptr.h in Windows build.

components/sessions/core/base_session_service.h

 // Copyright 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 COMPONENTS_SESSIONS_CORE_BASE_SESSION_SERVICE_H_
 #define COMPONENTS_SESSIONS_CORE_BASE_SESSION_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "components/sessions/core/sessions_export.h"
 #include "url/gurl.h"
 
 
 namespace sessions {
 class BaseSessionServiceDelegate;
 class SerializedNavigationEntry;
@@ skipping 106 matching lines @@
 
   // Used to invoke Save.
   base::WeakPtrFactory<BaseSessionService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseSessionService);
 };
 
 }  // namespace sessions
 
 #endif  // COMPONENTS_SESSIONS_CORE_BASE_SESSION_SERVICE_H_