Convert //content from scoped_ptr to std::unique_ptr

content/shell/renderer/layout_test/leak_detector.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 CONTENT_SHELL_RENDERER_LAYOUT_TEST_LEAK_DETECTOR_H_
 #define CONTENT_SHELL_RENDERER_LAYOUT_TEST_LEAK_DETECTOR_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/shell/common/leak_detection_result.h"
 #include "third_party/WebKit/public/web/WebLeakDetector.h"
 
 namespace blink {
 class WebFrame;
 }  // namespace blink
 
 namespace content {
 
 class BlinkTestRunner;
 
 // LeakDetector counts DOM objects and compare them between two pages.
 class LeakDetector : public blink::WebLeakDetectorClient {
  public:
   explicit LeakDetector(BlinkTestRunner* test_runner);
   virtual ~LeakDetector();
 
   // Counts DOM objects, compare the previous status and returns the result of
   // leak detection. It is assumed that this method is always called when a
   // specific page, like about:blank is loaded to compare the previous
   // circumstance of DOM objects. If the number of objects increses, there
   // should be a leak.
   void TryLeakDetection(blink::WebFrame* frame);
 
   // WebLeakDetectorClient:
   void onLeakDetectionComplete(const Result& result) override;
 
  private:
   BlinkTestRunner* test_runner_;
-  scoped_ptr<blink::WebLeakDetector> web_leak_detector_;
+  std::unique_ptr<blink::WebLeakDetector> web_leak_detector_;
   blink::WebLeakDetectorClient::Result previous_result_;
 
   DISALLOW_COPY_AND_ASSIGN(LeakDetector);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_LAYOUT_TEST_LEAK_DETECTOR_H_