aura: Support SurfaceDestroyed() on Android

ui/aura/window_tree_host_platform.cc

Index: ui/aura/window_tree_host_platform.cc
diff --git a/ui/aura/window_tree_host_platform.cc b/ui/aura/window_tree_host_platform.cc
index ffaac30b0ca64b933647887e93929052afa27a39..0ec5a8639e7472141f255133beacbbf86d8803d1 100644
--- a/ui/aura/window_tree_host_platform.cc
+++ b/ui/aura/window_tree_host_platform.cc
@@ -168,6 +168,12 @@ void WindowTreeHostPlatform::OnAcceleratedWidgetAvailable(
   WindowTreeHost::OnAcceleratedWidgetAvailable();
 }
 
+void WindowTreeHostPlatform::OnAcceleratedWidgetDestroyed() {
+  gfx::AcceleratedWidget widget = compositor()->ReleaseAcceleratedWidget();
+  DCHECK_EQ(widget, widget_);
+  widget_ = gfx::kNullAcceleratedWidget;
+}
+
 void WindowTreeHostPlatform::OnActivationChanged(bool active) {
   if (active)
     OnHostActivated();