A tricky fix for Issue 1845 (Take 2)....

chrome/renderer/render_widget.h

 // Copyright (c) 2006-2008 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_RENDERER_RENDER_WIDGET_H__
 #define CHROME_RENDERER_RENDER_WIDGET_H__
 
 #include <vector>
 #include "base/basictypes.h"
 #include "base/gfx/native_widget_types.h"
@@ skipping 115 matching lines @@
   void OnPaintRectAck();
   void OnScrollRectAck();
   void OnHandleInputEvent(const IPC::Message& message);
   void OnMouseCaptureLost();
   void OnSetFocus(bool enable);
   void OnImeSetInputMode(bool is_active);
   void OnImeSetComposition(int string_type, int cursor_position,
                            int target_start, int target_end,
                            const std::wstring& ime_string);
   void OnMsgRepaint(const gfx::Size& size_to_paint);
+  void OnSetTextDirection(int direction);
 
   // True if a PaintRect_ACK message is pending.
   bool paint_reply_pending() const {
     return paint_reply_pending_;
   }
 
   // True if a ScrollRect_ACK message is pending.
   bool scroll_reply_pending() const {
     return current_scroll_buf_ != NULL;
   }
@@ skipping 114 matching lines @@
   // Whether the window for this RenderWidget can be activated.
   bool activatable_;
 
   // Holds all the needed plugin window moves for a scroll.
   std::vector<WebPluginGeometry> plugin_window_moves_;
 
   DISALLOW_EVIL_CONSTRUCTORS(RenderWidget);
 };
 
 #endif  // CHROME_RENDERER_RENDER_WIDGET_H__