Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/safe_browsing/ping_manager.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 IOS_CHROME_BROWSER_SAFE_BROWSING_PING_MANAGER_H_
 #define IOS_CHROME_BROWSER_SAFE_BROWSING_PING_MANAGER_H_
 
 // A class that reports safebrowsing statistics to Google's SafeBrowsing
 // servers.
+#include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ios/chrome/browser/safe_browsing/hit_report.h"
 #include "ios/chrome/browser/safe_browsing/protocol_manager_helper.h"
 #include "ios/chrome/browser/safe_browsing/util.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
 
 namespace certificate_reporting {
 class ErrorReporter;
 }
 
@@ skipping 23 matching lines @@
 
   // Users can opt-in on the SafeBrowsing interstitial to send detailed
   // threat reports. |report| is the serialized report.
   void ReportThreatDetails(const std::string& report);
 
   // Users can opt-in on the SSL interstitial to send reports of invalid
   // certificate chains.
   void ReportInvalidCertificateChain(const std::string& serialized_report);
 
   void SetCertificateErrorReporterForTesting(
-      scoped_ptr<certificate_reporting::ErrorReporter>
+      std::unique_ptr<certificate_reporting::ErrorReporter>
           certificate_error_reporter);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingPingManagerTest, TestSafeBrowsingHitUrl);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingPingManagerTest, TestThreatDetailsUrl);
 
   typedef std::set<const net::URLFetcher*> Reports;
 
   // Constructs a SafeBrowsingPingManager that issues network requests
   // using |request_context_getter|.
@@ skipping 17 matching lines @@
 
   // URL prefix where browser reports hits to the safebrowsing list and
   // sends detaild threat reports for UMA users.
   std::string url_prefix_;
 
   // Track outstanding SafeBrowsing report fetchers for clean up.
   // We add both "hit" and "detail" fetchers in this set.
   Reports safebrowsing_reports_;
 
   // Sends reports of invalid SSL certificate chains.
-  scoped_ptr<certificate_reporting::ErrorReporter> certificate_error_reporter_;
+  std::unique_ptr<certificate_reporting::ErrorReporter>
+      certificate_error_reporter_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingPingManager);
 };
 
 }  // namespace safe_browsing
 
 #endif  // IOS_CHROME_BROWSER_SAFE_BROWSING_PING_MANAGER_H_