[Mac] Fullscreen layout issues

chrome/browser/ui/cocoa/tabs/tab_window_controller.mm

Index: chrome/browser/ui/cocoa/tabs/tab_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_window_controller.mm b/chrome/browser/ui/cocoa/tabs/tab_window_controller.mm
index 73d0f3e755b97af15cb87aef4bc07c9584dc3639..cd5a115b3e2e659be0e41cbee73634072d5a7d60 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_window_controller.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_window_controller.mm
@@ -353,6 +353,13 @@
   return 0;
 }
 
+- (CGFloat)menubarHeight {
+  // The height of the menubar. We can't use |-[NSMenu menuBarHeight]| since it
+  // returns 0 when the menu bar is hidden.
+  const CGFloat kMenubarHeight = 22;
+  return kMenubarHeight;
+}
+
 - (NSView*)avatarView {
   return nil;
 }