A tricky fix for Issue 1845....

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"
 #include "base/gfx/point.h"
 #include "base/gfx/rect.h"
 #include "base/gfx/size.h"
 #include "base/ref_counted.h"
 #include "base/shared_memory.h"
 #include "chrome/common/ipc_channel.h"
 #include "chrome/renderer/render_process.h"
 #include "skia/ext/platform_canvas.h"
 
 #include "webkit/glue/webwidget_delegate.h"
 #include "webkit/glue/webcursor.h"
+#include "webkit/glue/webtextdirection.h"
 
 class RenderThreadBase;
 struct WebPluginGeometry;
 
 // RenderWidget provides a communication bridge between a WebWidget and
 // a RenderWidgetHost, the latter of which lives in a different process.
 class RenderWidget : public IPC::Channel::Listener,
                      public IPC::Message::Sender,
                      virtual public WebWidgetDelegate,
                      public base::RefCounted<RenderWidget> {
@@ skipping 89 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(WebTextDirection 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__