Update the maximize button when size constraints change.

ui/views/widget/desktop_aura/desktop_native_widget_aura.cc

Index: ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
diff --git a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
index 1a658b1bf4207281241ddf81b17c773d319694cb..b1394b926b7cf8ba8521afe10ae17fde675fcc6e 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
@@ -532,10 +532,7 @@ void DesktopNativeWidgetAura::InitNativeWidget(
   shadow_controller_.reset(new wm::ShadowController(
       aura::client::GetActivationClient(host_->window())));
 
-  content_window_->SetProperty(aura::client::kCanMaximizeKey,
-                               GetWidget()->widget_delegate()->CanMaximize());
-  content_window_->SetProperty(aura::client::kCanResizeKey,
-                               GetWidget()->widget_delegate()->CanResize());
+  OnSizeConstraintsChanged();
 
   window_reorderer_.reset(new WindowReorderer(content_window_,
       GetWidget()->GetRootView()));
@@ -936,6 +933,13 @@ bool DesktopNativeWidgetAura::IsTranslucentWindowOpacitySupported() const {
       desktop_window_tree_host_->IsTranslucentWindowOpacitySupported();
 }
 
+void DesktopNativeWidgetAura::OnSizeConstraintsChanged() {
+  content_window_->SetProperty(aura::client::kCanMaximizeKey,
+                               GetWidget()->widget_delegate()->CanMaximize());
+  content_window_->SetProperty(aura::client::kCanResizeKey,
+                               GetWidget()->widget_delegate()->CanResize());
+}
+
 void DesktopNativeWidgetAura::RepostNativeEvent(gfx::NativeEvent native_event) {
   OnEvent(native_event);
 }