[Mac] Support for Touch Bar Customization

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index 78d27e24bfe65d7ece00191b85791a9638cee468..820f59609438786d2545c0794333737b1e1151b1 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -741,6 +741,9 @@ class AppControllerProfileObserver : public ProfileAttributesStorage::Observer {
 
   handoff_active_url_observer_bridge_.reset(
       new HandoffActiveURLObserverBridge(self));
+
+  [NSApplication sharedApplication].automaticCustomizeTouchBarMenuItemEnabled =

[Robert Sesek, 2017/04/13 18:45:32]

Won't this crash on anything <10.12.1?

[spqchan, 2017/04/13 21:13:50]

Good point, I added in the fix

+      YES;
 }
 
 // Helper function for populating and displaying the in progress downloads at