[Mac] Fullscreen Toolbar Fixes

chrome/browser/ui/cocoa/fullscreen/fullscreen_menubar_tracker.mm

 // Copyright 2016 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/fullscreen/fullscreen_menubar_tracker.h"
 
 #include <Carbon/Carbon.h>
 
 #include "base/mac/mac_util.h"
 #include "base/macros.h"
@@ skipping 120 matching lines @@
 
   if (ui::IsCGFloatEqual(progress, 1.0))
     state_ = FullscreenMenubarState::SHOWN;
   else if (ui::IsCGFloatEqual(progress, 0.0))
     state_ = FullscreenMenubarState::HIDDEN;
   else if (progress < menubarFraction_)
     state_ = FullscreenMenubarState::HIDING;
   else if (progress > menubarFraction_)
     state_ = FullscreenMenubarState::SHOWING;
 
+  menubarFraction_ = progress;
+  [owner_ updateToolbarLayout];
+
   // In 10.12. the toolbar to be janky since the UI doesn't update until the
   // menubar finished revealing itself. To smooth things out, animate the
   // toolbar in/out by locking/releasing its visibility instead of relying on
   // the menubar fraction.
   // TODO(spqchan): Figure out why it's not updating and make the toolbar drop
   // down in sync with the menubar. See crbug.com/672254.
   if (base::mac::IsOS10_12()) {
     if (state_ == FullscreenMenubarState::SHOWING) {
       [[owner_ visibilityLockController] lockToolbarVisibilityForOwner:self
                                                          withAnimation:YES];
     } else if (state_ == FullscreenMenubarState::HIDING) {
       [[owner_ visibilityLockController] releaseToolbarVisibilityForOwner:self
                                                             withAnimation:YES];
     }
   }
-
-  menubarFraction_ = progress;
-  [owner_ updateToolbarLayout];
 }
 
 - (BOOL)isMouseOnScreen {
   return NSMouseInRect([NSEvent mouseLocation],
                        [[browserWindowController_ window] screen].frame, false);
 }
 
 - (void)activeSpaceDidChange:(NSNotification*)notification {
   menubarFraction_ = 0.0;
   state_ = FullscreenMenubarState::HIDDEN;
   [[owner_ visibilityLockController] releaseToolbarVisibilityForOwner:self
                                                         withAnimation:NO];
   [owner_ updateToolbarLayout];
 }
 
 @end