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

ui/views/widget/native_widget_mac.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.
 
 #include "ui/views/widget/native_widget_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 76 matching lines @@
 void NativeWidgetMac::OnWindowWillClose() {
   delegate_->OnNativeWidgetDestroying();
   // Note: If closed via CloseNow(), |bridge_| will already be reset. If closed
   // by the user, or via Close() and a RunLoop, this will reset it.
   bridge_.reset();
   delegate_->OnNativeWidgetDestroyed();
   if (ownership_ == Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET)
     delete this;
 }
 
+void NativeWidgetMac::OnFullscreenTransitionComplete(bool is_fullscreen) {
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetMac, internal::NativeWidgetPrivate implementation:
 
 void NativeWidgetMac::InitNativeWidget(const Widget::InitParams& params) {
   ownership_ = params.ownership;
   base::scoped_nsobject<NSWindow> window([CreateNSWindow(params) retain]);
   [window setReleasedWhenClosed:NO];  // Owned by scoped_nsobject.
   bridge_->Init(window, params);
 
   // Only set always-on-top here if it is true since setting it may affect how
@@ skipping 582 matching lines @@
   [[ViewsNSWindowCloseAnimator alloc] initWithWindow:window];
 }
 
 - (void)animationDidEnd:(NSAnimation*)animation {
   [window_ close];
   [animation_ setDelegate:nil];
   [self release];
 }
 
 @end