Fixed combobox popup positioning after a change in GetViewBounds.

chrome/browser/renderer_host/render_widget_host_view_views.cc

Index: chrome/browser/renderer_host/render_widget_host_view_views.cc
diff --git a/chrome/browser/renderer_host/render_widget_host_view_views.cc b/chrome/browser/renderer_host/render_widget_host_view_views.cc
index 53f1aedbefce6f8c2a75c2cec8569b8a75bccb48..b2ade9a0a944302c40fcf8289a4cf4c3c2636123 100644
--- a/chrome/browser/renderer_host/render_widget_host_view_views.cc
+++ b/chrome/browser/renderer_host/render_widget_host_view_views.cc
@@ -122,7 +122,13 @@ void RenderWidgetHostViewViews::InitAsPopup(
   // to tell the parent it's showing a popup so that it doesn't respond to
   // blurs.
   parent->is_showing_context_menu_ = true;
-  views::View::SetBoundsRect(pos);
+
+  // pos is in screen coordinates but a view is positioned relative
+  // to its parent. Here we convert screen coordinates to relative
+  // coordinates.
+  gfx::Point p(pos.x() - parent_host_view->GetViewBounds().x(),
+               pos.y() - parent_host_view->GetViewBounds().y());
+  views::View::SetBounds(p.x(), p.y(), pos.width(), pos.height());
   Show();
 
   if (NeedsInputGrab()) {