[Mac] Add Home button to Default Touch Bar

chrome/browser/ui/cocoa/browser_window_touch_bar.h

Index: chrome/browser/ui/cocoa/browser_window_touch_bar.h
diff --git a/chrome/browser/ui/cocoa/browser_window_touch_bar.h b/chrome/browser/ui/cocoa/browser_window_touch_bar.h
index 5e67065066985874d934a739d16cb065df83c7d9..59526004e3a8cdc23db93d6d82b5de87ff1d0d08 100644
--- a/chrome/browser/ui/cocoa/browser_window_touch_bar.h
+++ b/chrome/browser/ui/cocoa/browser_window_touch_bar.h
@@ -10,6 +10,7 @@
 #import "ui/base/cocoa/touch_bar_forward_declarations.h"
 
 class Browser;
+@class BrowserWindowController;
 
 // Provides a touch bar for the browser window. This class implements the
 // NSTouchBarDelegate and handles the items in the touch bar.
@@ -22,7 +23,8 @@ class Browser;
 @property(nonatomic, assign) BOOL isStarred;
 
 // Designated initializer.
-- (instancetype)initWithBrowser:(Browser*)browser;
+- (instancetype)initWithBrowser:(Browser*)browser
+        browserWindowController:(BrowserWindowController*)bwc;
 
 // Creates and returns a touch bar for the browser window.
 - (NSTouchBar*)makeTouchBar;