convert //headless to std::unique_ptr

headless/lib/browser/headless_browser_context.h

 // Copyright 2015 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 HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_CONTEXT_H_
 #define HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_CONTEXT_H_
 
+#include <memory>
+
 #include "base/files/file_path.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/resource_context.h"
 #include "headless/lib/browser/headless_url_request_context_getter.h"
 #include "headless/public/headless_browser.h"
 
 namespace headless {
 class HeadlessResourceContext;
 
 class HeadlessBrowserContext : public content::BrowserContext {
  public:
   explicit HeadlessBrowserContext(const HeadlessBrowser::Options& options);
   ~HeadlessBrowserContext() override;
 
   // BrowserContext implementation:
-  scoped_ptr<content::ZoomLevelDelegate> CreateZoomLevelDelegate(
+  std::unique_ptr<content::ZoomLevelDelegate> CreateZoomLevelDelegate(
       const base::FilePath& partition_path) override;
   base::FilePath GetPath() const override;
   bool IsOffTheRecord() const override;
   net::URLRequestContextGetter* GetRequestContext() override;
   net::URLRequestContextGetter* GetMediaRequestContext() override;
   net::URLRequestContextGetter* GetMediaRequestContextForRenderProcess(
       int renderer_child_id) override;
   net::URLRequestContextGetter* GetMediaRequestContextForStoragePartition(
       const base::FilePath& partition_path,
       bool in_memory) override;
@@ skipping 13 matching lines @@
   // requests in this browser instance.
   void SetURLRequestContextGetter(
       scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
 
  private:
   // Performs initialization of the HeadlessBrowserContext while IO is still
   // allowed on the current thread.
   void InitWhileIOAllowed();
 
   base::FilePath path_;
-  scoped_ptr<HeadlessResourceContext> resource_context_;
+  std::unique_ptr<HeadlessResourceContext> resource_context_;
   HeadlessBrowser::Options options_;
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessBrowserContext);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_LIB_BROWSER_HEADLESS_BROWSER_CONTEXT_H_