unique_ptr_migration: clean up references to scoped_ptr as of r389721

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 <memory>
+
 #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 33 matching lines @@
                              v8::Local<v8::Value> argv[]) override;
   ContextHolder* GetContextHolder() override;
 
  private:
   friend class Scope;
 
   void Run(v8::Local<v8::Script> script);
 
   ShellRunnerDelegate* delegate_;
 
-  scoped_ptr<ContextHolder> context_holder_;
+  std::unique_ptr<ContextHolder> context_holder_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellRunner);
 };
 
 }  // namespace gin
 
 #endif  // GIN_SHELL_RUNNER_H_