A tricky fix for Issue 1845....

chrome/renderer/render_widget.cc

 // 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.
 
 #include "chrome/renderer/render_widget.h"
 
 #include "base/gfx/point.h"
 #include "base/gfx/size.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 101 matching lines @@
   IPC_MESSAGE_HANDLER(ViewMsg_WasHidden, OnWasHidden)
   IPC_MESSAGE_HANDLER(ViewMsg_WasRestored, OnWasRestored)
   IPC_MESSAGE_HANDLER(ViewMsg_PaintRect_ACK, OnPaintRectAck)
   IPC_MESSAGE_HANDLER(ViewMsg_ScrollRect_ACK, OnScrollRectAck)
   IPC_MESSAGE_HANDLER(ViewMsg_HandleInputEvent, OnHandleInputEvent)
   IPC_MESSAGE_HANDLER(ViewMsg_MouseCaptureLost, OnMouseCaptureLost)
   IPC_MESSAGE_HANDLER(ViewMsg_SetFocus, OnSetFocus)
   IPC_MESSAGE_HANDLER(ViewMsg_ImeSetInputMode, OnImeSetInputMode)
   IPC_MESSAGE_HANDLER(ViewMsg_ImeSetComposition, OnImeSetComposition)
   IPC_MESSAGE_HANDLER(ViewMsg_Repaint, OnMsgRepaint)
+  IPC_MESSAGE_HANDLER(ViewMsg_SetTextDirection, OnSetTextDirection)
   IPC_MESSAGE_UNHANDLED_ERROR()
 IPC_END_MESSAGE_MAP()
 
 bool RenderWidget::Send(IPC::Message* message) {
   // Don't send any messages after the browser has told us to close.
   if (closing_) {
     delete message;
     return false;
   }
 
@@ skipping 496 matching lines @@
 void RenderWidget::OnMsgRepaint(const gfx::Size& size_to_paint) {
   // During shutdown we can just ignore this message.
   if (!webwidget_)
     return;
 
   set_next_paint_is_repaint_ack();
   gfx::Rect repaint_rect(size_to_paint.width(), size_to_paint.height());
   DidInvalidateRect(webwidget_, repaint_rect);
 }
 
+void RenderWidget::OnSetTextDirection(WebTextDirection direction) {
+  if (!webwidget_)
+    return;
+
+  webwidget_->SetTextDirection(direction);
+}
+
 bool RenderWidget::next_paint_is_resize_ack() const {
   return ViewHostMsg_PaintRect_Flags::is_resize_ack(next_paint_flags_);
 }
 
 bool RenderWidget::next_paint_is_restore_ack() const {
   return ViewHostMsg_PaintRect_Flags::is_restore_ack(next_paint_flags_);
 }
 
 void RenderWidget::set_next_paint_is_resize_ack() {
   next_paint_flags_ |= ViewHostMsg_PaintRect_Flags::IS_RESIZE_ACK;
@@ skipping 84 matching lines @@
   for (; i < plugin_window_moves_.size(); ++i) {
     if (plugin_window_moves_[i].window == move.window) {
       plugin_window_moves_[i] = move;
       break;
     }
   }
 
   if (i == plugin_window_moves_.size())
     plugin_window_moves_.push_back(move);
 }