Consider the popup window position when the window shows upward. This patch depends on WebKit patch.

chrome/browser/renderer_host/render_widget_host_view_gtk.h

Index: chrome/browser/renderer_host/render_widget_host_view_gtk.h
diff --git a/chrome/browser/renderer_host/render_widget_host_view_gtk.h b/chrome/browser/renderer_host/render_widget_host_view_gtk.h
index 40ffe6640b42cbd677ad0af5ccf31d83369c98af..825f4f0cfe9855e714e3b83c9087fcc2eb75e767 100644
--- a/chrome/browser/renderer_host/render_widget_host_view_gtk.h
+++ b/chrome/browser/renderer_host/render_widget_host_view_gtk.h
@@ -59,6 +59,7 @@ class RenderWidgetHostViewGtk : public RenderWidgetHostView,
   virtual void DidBecomeSelected();
   virtual void WasHidden();
   virtual void SetSize(const gfx::Size& size);
+  virtual void SetBounds(const gfx::Rect& rect);
   virtual gfx::NativeView GetNativeView();
   virtual void MovePluginWindows(
       const std::vector<webkit::npapi::WebPluginGeometry>& moves);