Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/permissions/delegation_tracker.cc

 // Copyright 2016 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.
 
 #include "chrome/browser/permissions/delegation_tracker.h"
 
 #include <unordered_set>
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/permissions/permission_util.h"
@@ skipping 53 matching lines @@
 };
 
 DelegationTracker::DelegationTracker() {}
 
 DelegationTracker::~DelegationTracker() {}
 
 void DelegationTracker::SetDelegatedPermissions(
     content::RenderFrameHost* child_rfh,
     const std::vector<content::PermissionType>& permissions) {
   DCHECK(child_rfh && child_rfh->GetParent());
-  delegated_permissions_[child_rfh] = base::WrapUnique(new DelegatedForChild(
+  delegated_permissions_[child_rfh] = base::MakeUnique<DelegatedForChild>(
       child_rfh, permissions,
       base::Bind(&DelegationTracker::RenderFrameHostChanged,
-                 base::Unretained(this))));
+                 base::Unretained(this)));
 }
 
 bool DelegationTracker::IsGranted(content::RenderFrameHost* requesting_rfh,
                                   const content::PermissionType& permission) {
   content::RenderFrameHost* child_rfh = requesting_rfh;
   while (child_rfh->GetParent()) {
     // Parents with unique origins can't delegate permission.
     url::Origin parent_origin =
         child_rfh->GetParent()->GetLastCommittedOrigin();
     if (parent_origin.unique())
       return false;
 
     if (!child_rfh->GetLastCommittedOrigin().IsSameOriginWith(parent_origin)) {
       const auto& it = delegated_permissions_.find(child_rfh);
       if (it == delegated_permissions_.end())
         return false;
       if (!it->second->HasPermission(permission))
         return false;
     }
     child_rfh = child_rfh->GetParent();
   }
   return true;
 }
 
 void DelegationTracker::RenderFrameHostChanged(content::RenderFrameHost* rfh) {
   delegated_permissions_.erase(rfh);
 }