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

chrome/browser/renderer_host/render_widget_host_view_win.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 112 matching lines @@
   END_MSG_MAP()
 
   // Implementation of RenderWidgetHostView:
   virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
                            const gfx::Rect& pos);
   virtual void InitAsFullscreen(RenderWidgetHostView* parent_host_view);
   virtual RenderWidgetHost* GetRenderWidgetHost() const;
   virtual void DidBecomeSelected();
   virtual void WasHidden();
   virtual void SetSize(const gfx::Size& size);
+  virtual void MoveTo(const gfx::Point& point);
   virtual gfx::NativeView GetNativeView();
   virtual void MovePluginWindows(
       const std::vector<webkit::npapi::WebPluginGeometry>& moves);
   virtual void Focus();
   virtual void Blur();
   virtual bool HasFocus();
   virtual void Show();
   virtual void Hide();
   virtual bool IsShowing();
   virtual gfx::Rect GetViewBounds() const;
@@ skipping 206 matching lines @@
   // Stores the current text input type received by ImeUpdateTextInputState()
   // method.
   WebKit::WebTextInputType text_input_type_;
 
   ScopedVector<ui::ViewProp> props_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewWin);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_