Subject .mm files to the header sorting presubmit

content/renderer/renderer_main_platform_delegate_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.
 
 #include "content/renderer/renderer_main_platform_delegate.h"
 
 #include <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 #include <objc/runtime.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/sys_string_conversions.h"
+#include "content/common/sandbox_init_mac.h"
 #include "content/common/sandbox_mac.h"
 #include "content/public/common/content_switches.h"
-#include "content/common/sandbox_init_mac.h"
 
 namespace content {
 
 namespace {
 
 // You are about to read a pretty disgusting hack. In a static initializer,
 // CoreFoundation decides to connect with cfprefsd(8) using Mach IPC. There is
 // no public way to close this Mach port after-the-fact, nor a way to stop it
 // from happening since it is done pre-main in dyld. But the address of the
 // CFMachPort can be found in the run loop's string description. Below, that
@@ skipping 112 matching lines @@
   // The sandbox is now engaged. Make sure that the renderer has not connected
   // itself to Cocoa.
   CHECK(NSApp == nil);
 
   DisconnectCFNotificationCenter();
 
   return sandbox_initialized;
 }
 
 }  // namespace content