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

chrome/browser/extensions/permissions_updater.h

Index: chrome/browser/extensions/permissions_updater.h
diff --git a/chrome/browser/extensions/permissions_updater.h b/chrome/browser/extensions/permissions_updater.h
index fb5b5631a225eedb3fa1d9984678c5ef3f06ff59..2bb6f8fe2f9d62149afdbffad1b3e4e0f051ed2d 100644
--- a/chrome/browser/extensions/permissions_updater.h
+++ b/chrome/browser/extensions/permissions_updater.h
@@ -5,10 +5,10 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__
 #define CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "extensions/browser/extension_event_histogram_value.h"
 
 namespace base {
@@ -70,7 +70,7 @@ class PermissionsUpdater {
                                const PermissionSet& permissions);
 
   // Returns the set of revokable permissions.
-  scoped_ptr<const PermissionSet> GetRevokablePermissions(
+  std::unique_ptr<const PermissionSet> GetRevokablePermissions(
       const Extension* extension) const;
 
   // Adds all permissions in the |extension|'s active permissions to its
@@ -93,8 +93,8 @@ class PermissionsUpdater {
   // withheld permissions to |withheld|. Otherwise, |withheld| permissions are
   // not changed.
   void SetPermissions(const Extension* extension,
-                      scoped_ptr<const PermissionSet> active,
-                      scoped_ptr<const PermissionSet> withheld);
+                      std::unique_ptr<const PermissionSet> active,
+                      std::unique_ptr<const PermissionSet> withheld);
 
   // Dispatches specified event to the extension.
   void DispatchEvent(const std::string& extension_id,