Convert //extensions/browser/api from scoped_ptr to std::unique_ptr

extensions/browser/api/web_request/web_request_time_tracker.h

 // Copyright (c) 2012 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 EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <queue>
 #include <set>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "url/gurl.h"
 
 namespace base {
 class Time;
 }
 
 class ExtensionWebRequestTimeTrackerDelegate {
  public:
   virtual ~ExtensionWebRequestTimeTrackerDelegate() {}
@@ skipping 79 matching lines @@
   // A list of recent request IDs that we know about. Used to limit the size of
   // the logs.
   std::queue<int64_t> request_ids_;
 
   // The set of recent requests that have been delayed either a large or
   // moderate amount by extensions.
   std::set<int64_t> excessive_delays_;
   std::set<int64_t> moderate_delays_;
 
   // Defaults to a delegate that sets warnings in the extension service.
-  scoped_ptr<ExtensionWebRequestTimeTrackerDelegate> delegate_;
+  std::unique_ptr<ExtensionWebRequestTimeTrackerDelegate> delegate_;
 
   FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Basic);
   FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest,
                            IgnoreFastRequests);
   FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest,
                            CancelOrRedirect);
   FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Delays);
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestTimeTracker);
 };
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_