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

gin/shell_runner.h

 // Copyright 2014 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 GIN_SHELL_RUNNER_H_
 #define GIN_SHELL_RUNNER_H_
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "gin/runner.h"
 
 namespace gin {
 
 class ContextHolder;
 class ShellRunner;
 class TryCatch;
 
 // Subclass ShellRunnerDelegate to customize the behavior of ShellRunner.
 // Typical embedders will want to subclass one of the specialized
@@ skipping 41 matching lines @@
   ShellRunnerDelegate* delegate_;
 
   scoped_ptr<ContextHolder> context_holder_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellRunner);
 };
 
 }  // namespace gin
 
 #endif  // GIN_SHELL_RUNNER_H_