Call OnNativeWindowChanged after maximizing and restoring.

ui/aura/window.cc

 // Copyright (c) 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.
 
 #include "ui/aura/window.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 840 matching lines @@
   int64 old = GetPropertyInternal(key, default_value);
   if (value == default_value) {
     prop_map_.erase(key);
   } else {
     Value prop_value;
     prop_value.name = name;
     prop_value.value = value;
     prop_value.deallocator = deallocator;
     prop_map_[key] = prop_value;
   }
+  if (delegate_)
+    delegate_->OnPropertyChanged(key, old);

[sky, 2014/08/06 17:23:00]

Make NativeWidgetAura a WindowObserver so that you don't need to add a new
method to WindowDelegate.

[jackhou1, 2014/08/11 05:41:06]

Done.

Ah, thanks, that's much simpler.

   FOR_EACH_OBSERVER(WindowObserver, observers_,
                     OnWindowPropertyChanged(this, key, old));
   return old;
 }
 
 int64 Window::GetPropertyInternal(const void* key,
                                   int64 default_value) const {
   std::map<const void*, Value>::const_iterator iter = prop_map_.find(key);
   if (iter == prop_map_.end())
     return default_value;
@@ skipping 572 matching lines @@
       return window;
     if (offset)
       *offset += window->bounds().OffsetFromOrigin();
   }
   if (offset)
     *offset = gfx::Vector2d();
   return NULL;
 }
 
 }  // namespace aura