[MacViews] Update AppWindow when the native window changes fullscreen state.

ui/views/cocoa/bridged_native_widget.mm

 // Copyright 2014 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 "ui/views/cocoa/bridged_native_widget.h"
 
 #import <objc/runtime.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
@@ skipping 394 matching lines @@
   // If going into fullscreen, store an answer for GetRestoredBounds().
   if (target_fullscreen_state)
     bounds_before_fullscreen_ = gfx::ScreenRectFromNSRect([window_ frame]);
 }
 
 void BridgedNativeWidget::OnFullscreenTransitionComplete(
     bool actual_fullscreen_state) {
   in_fullscreen_transition_ = false;
 
   if (target_fullscreen_state_ == actual_fullscreen_state) {
+    native_widget_mac_->OnFullscreenTransitionComplete(actual_fullscreen_state);
     // Ensure constraints are re-applied when completing a transition.
     OnSizeConstraintsChanged();
     return;
   }
 
   // First update to reflect reality so that OnTargetFullscreenStateChanged()
   // expects the change.
   target_fullscreen_state_ = actual_fullscreen_state;
   ToggleDesiredFullscreenState();
 
@@ skipping 455 matching lines @@
       window_, &kWindowPropertiesKey);
   if (!properties) {
     properties = [NSMutableDictionary dictionary];
     objc_setAssociatedObject(window_, &kWindowPropertiesKey,
                              properties, OBJC_ASSOCIATION_RETAIN);
   }
   return properties;
 }
 
 }  // namespace views