Fix popup window repositioning in Desktop Chrome.

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 88c60906b7268d02bffd85fdb683ef05c9bca77a..c8a59ba57b463d6411ceec1c43d95c87d4b799b1 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
@@ -145,8 +145,11 @@ class DesktopNativeWidgetTopLevelHandler : public aura::WindowObserver {
   void OnWindowBoundsChanged(aura::Window* window,
                              const gfx::Rect& old_bounds,
                              const gfx::Rect& new_bounds) override {
+    // The position of the window may have changed. Hence we use SetBounds in

[sky, 2015/01/23 17:14:57]

I'm confused. Isn't child_window_ (or window here) a child of the widget?

+    // place of SetSize. We need to pass the bounds in screen coordinates to
+    // the Widget::SetBounds function.
     if (top_level_widget_ && window == child_window_)
-      top_level_widget_->SetSize(new_bounds.size());
+      top_level_widget_->SetBounds(window->GetBoundsInScreen());
   }
 
  private: