[Mac] Remove omnibox default Touch Bar items

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
index dbf4b66e78258f0a92b1a2dc54c169e51e51c4ae..0615de84c90d347ebca4cb65b23d194e0a54949b 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
@@ -16,6 +16,7 @@
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 #include "chrome/grit/generated_resources.h"
 #import "ui/base/cocoa/find_pasteboard.h"
+#import "ui/base/cocoa/touch_bar_forward_declarations.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/base/material_design/material_design_controller.h"
 
@@ -78,6 +79,11 @@ BOOL ThePasteboardIsTooDamnBig() {
   return self;
 }
 
+// Overridden to prevent unwanted items from appearing in the Touch Bar.
+- (NSTouchBar*)makeTouchBar {
+  return nil;
+}
+
 - (void)updateColorsToMatchTheme {
   if (![[self window] inIncognitoMode]) {
     return;