[Mac] Touch Bar Support for Dialogs

chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h

Index: chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h
diff --git a/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h b/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h
index 1c834c83e2c514b6ed0aa30451f3fb510a9863ed..3972b5ed9150f16c15bf5e9e35b2f249780bf02f 100644
--- a/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h
+++ b/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.h
@@ -13,6 +13,7 @@
 #include "base/macros.h"
 #import "chrome/browser/ui/cocoa/omnibox_decoration_bubble_controller.h"
 #include "content/public/common/media_stream_request.h"
+#import "ui/base/cocoa/touch_bar_forward_declarations.h"
 
 class ContentSettingBubbleModel;
 class ContentSettingBubbleWebContentsObserverBridge;
@@ -54,7 +55,8 @@ using MediaMenuPartsMap =
 }  // namespace content_setting_bubble
 
 // Manages a "content blocked" bubble.
-@interface ContentSettingBubbleController : OmniboxDecorationBubbleController {
+@interface ContentSettingBubbleController
+    : OmniboxDecorationBubbleController<NSTouchBarDelegate> {
  @protected
   IBOutlet NSTextField* titleLabel_;
   IBOutlet NSTextField* messageLabel_;
@@ -101,6 +103,9 @@ parentWindow:(NSWindow*)parentWindow
   decoration:(ContentSettingDecoration*)decoration
   anchoredAt:(NSPoint)anchoredAt;
 
+// Override to customize the touch bar.
+- (NSTouchBar*)makeTouchBar;
+
 // Initializes the layout of all the UI elements.
 - (void)layoutView;