Convert //gin to use std::unique_ptr

gin/public/isolate_holder.h

 // Copyright 2013 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_PUBLIC_ISOLATE_HOLDER_H_
 #define GIN_PUBLIC_ISOLATE_HOLDER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "gin/gin_export.h"
 #include "gin/public/v8_idle_task_runner.h"
 #include "v8/include/v8.h"
 
 namespace gin {
 
 class PerIsolateData;
 class RunMicrotasksObserver;
 class V8IsolateMemoryDumpProvider;
 
@@ skipping 47 matching lines @@
   // MessageLoop's thread.
   void AddRunMicrotasksObserver();
 
   // This method should also only be called once, and on the MessageLoop's
   // thread.
   void RemoveRunMicrotasksObserver();
 
   // This method returns if v8::Locker is needed to access isolate.
   AccessMode access_mode() const { return access_mode_; }
 
-  void EnableIdleTasks(scoped_ptr<V8IdleTaskRunner> idle_task_runner);
+  void EnableIdleTasks(std::unique_ptr<V8IdleTaskRunner> idle_task_runner);
 
   // This method returns V8IsolateMemoryDumpProvider of this isolate, used for
   // testing.
   V8IsolateMemoryDumpProvider* isolate_memory_dump_provider_for_testing()
       const {
     return isolate_memory_dump_provider_.get();
   }
 
  private:
   v8::Isolate* isolate_;
-  scoped_ptr<PerIsolateData> isolate_data_;
-  scoped_ptr<RunMicrotasksObserver> task_observer_;
-  scoped_ptr<V8IsolateMemoryDumpProvider> isolate_memory_dump_provider_;
+  std::unique_ptr<PerIsolateData> isolate_data_;
+  std::unique_ptr<RunMicrotasksObserver> task_observer_;
+  std::unique_ptr<V8IsolateMemoryDumpProvider> isolate_memory_dump_provider_;
   AccessMode access_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(IsolateHolder);
 };
 
 }  // namespace gin
 
 #endif  // GIN_PUBLIC_ISOLATE_HOLDER_H_