[Mac] Fullscreen layout issues

chrome/browser/ui/cocoa/browser_window_controller.mm

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 #include <utility>
 
@@ skipping 1400 matching lines @@
   int index = [tabStripController_ modelIndexForTabView:tabView];
   WebContents* contents = browser_->tab_strip_model()->GetWebContentsAt(index);
   if (!contents)
     return NO;
 
   const web_modal::WebContentsModalDialogManager* manager =
       web_modal::WebContentsModalDialogManager::FromWebContents(contents);
   return !manager || !manager->IsDialogActive();
 }
 
+- (CGFloat)menubarOffset {
+  return [[self fullscreenToolbarController] computeLayout].menubarOffset;
+}
+
 // TabStripControllerDelegate protocol.
 - (void)onActivateTabWithContents:(WebContents*)contents {
   // Update various elements that are interested in knowing the current
   // WebContents.
 
   // Update all the UI bits.
   windowShim_->UpdateTitleBar();
 
   // Update the bookmark bar.
   // TODO(viettrungluu): perhaps update to not terminate running animations (if
@@ skipping 578 matching lines @@
 
 - (NSRect)savedRegularWindowFrame {
   return savedRegularWindowFrame_;
 }
 
 - (BOOL)isFullscreenTransitionInProgress {
   return enteringAppKitFullscreen_ || exitingAppKitFullscreen_;
 }
 
 @end  // @implementation BrowserWindowController(WindowType)