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

remoting/host/disconnect_window_mac.mm

 // 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.
 
 #import "remoting/host/disconnect_window_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 58 matching lines @@
   std::string client_jid = client_session_control->client_jid();
   std::string username = client_jid.substr(0, client_jid.find('/'));
   window_controller_ =
       [[DisconnectWindowController alloc] initWithCallback:disconnect_callback
                                                   username:username];
   [window_controller_ showWindow:nil];
 }
 
 // static
 std::unique_ptr<HostWindow> HostWindow::CreateDisconnectWindow() {
-  return base::WrapUnique(new DisconnectWindowMac());
+  return base::MakeUnique<DisconnectWindowMac>();
 }
 
 }  // namespace remoting
 
 @implementation DisconnectWindowController
 - (id)initWithCallback:(const base::Closure&)disconnect_callback
               username:(const std::string&)username {
   self = [super initWithWindowNibName:@"disconnect_window"];
   if (self) {
     disconnect_callback_ = disconnect_callback;
@@ skipping 195 matching lines @@
   path = [NSBezierPath bezierPath];
   [path moveToPoint:top];
   [path lineToPoint:bottom];
   [light setStroke];
   [path stroke];
 
   [context setShouldAntialias:alias];
 }
 
 @end