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

chrome/browser/renderer_host/render_widget_host_view.h

Index: chrome/browser/renderer_host/render_widget_host_view.h
diff --git a/chrome/browser/renderer_host/render_widget_host_view.h b/chrome/browser/renderer_host/render_widget_host_view.h
index 81de5060842a36195d24403051900cf1b35f22c2..b4cfaa254b27a29318874b3dcb5072ead015416e 100644
--- a/chrome/browser/renderer_host/render_widget_host_view.h
+++ b/chrome/browser/renderer_host/render_widget_host_view.h
@@ -89,6 +89,9 @@ class RenderWidgetHostView {
   // Tells the View to size itself to the specified size.
   virtual void SetSize(const gfx::Size& size) = 0;
 
+  // Tells the View to move itself to the specified point.
+  virtual void MoveTo(const gfx::Point& origin) = 0;
+
   // Retrieves the native view used to contain plugins and identify the
   // renderer in IPC messages.
   virtual gfx::NativeView GetNativeView() = 0;