Subject .mm files to the header sorting presubmit

chrome/browser/ui/cocoa/extensions/bundle_util.mm

 // 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.
 
 #include "chrome/browser/ui/cocoa/extensions/bundle_util.h"
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
+#import "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
-#import "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 
 namespace {
 
 const CGFloat kExtensionIconSize = 32;
 
 }  // namespace
 
 CGFloat PopulateBundleItemsList(
     const extensions::BundleInstaller::ItemList& items,
     NSView* items_field) {
@@ skipping 32 matching lines @@
         [[NSImageView alloc] initWithFrame:icon_frame]);
     [icon_view setImage:image];
 
     [items_field addSubview:icon_view];
     [items_field addSubview:title_view];
 
     offset = NSMaxY(NSUnionRect(title_frame, icon_frame));
   }
   return offset;
 }