Convert //chrome/installer from scoped_ptr to std::unique_ptr

chrome/installer/util/beacons.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 CHROME_INSTALLER_UTIL_BEACONS_H_
 #define CHROME_INSTALLER_UTIL_BEACONS_H_
 
 #include <windows.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "base/time/time.h"
 #include "chrome/installer/util/shell_util.h"
 
 class AppRegistrationData;
 class BrowserDistribution;
 
 namespace base {
 class FilePath;
@@ skipping 11 matching lines @@
 
 // Updates the last OS upgrade beacon for the install.
 void UpdateOsUpgradeBeacon(bool system_install,
                            BrowserDistribution* distribution);
 
 namespace installer_util {
 
 class Beacon;
 
 // Returns a Beacon representing the last time the machine's OS was ugpraded.
-scoped_ptr<Beacon> MakeLastOsUpgradeBeacon(
+std::unique_ptr<Beacon> MakeLastOsUpgradeBeacon(
     bool system_install,
     const AppRegistrationData& registration_data);
 
 // Returns a Beacon representing the last time Chrome was the user's default
 // browser.
-scoped_ptr<Beacon> MakeLastWasDefaultBeacon(
+std::unique_ptr<Beacon> MakeLastWasDefaultBeacon(
     bool system_install,
     const AppRegistrationData& registration_data);
 
 // Returns a Beacon representing the first time Chrome was not the user's
 // default browser.
-scoped_ptr<Beacon> MakeFirstNotDefaultBeacon(
+std::unique_ptr<Beacon> MakeFirstNotDefaultBeacon(
     bool system_install,
     const AppRegistrationData& registration_data);
 
 // A named beacon stored in the registry representing the first or last time at
 // which some event took place. A beacon may apply to a per-user event or a
 // per-install event. In general, beacons should be created via factory methods
 // such as those above.
 class Beacon {
  public:
   enum class BeaconType {
@@ skipping 51 matching lines @@
 
   // The name of the registry value holding the beacon.
   base::string16 value_name_;
 
   DISALLOW_COPY_AND_ASSIGN(Beacon);
 };
 
 }  // namespace installer_util
 
 #endif  // CHROME_INSTALLER_UTIL_BEACONS_H_