Revert r21117 as it caused reliability failures....

chrome/renderer/render_view.cc

 // Copyright (c) 2009 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_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 2795 matching lines @@
   if (template_html.empty()) {
     NOTREACHED() << "unable to load template. ID: " << template_resource_id;
     return "";
   }
 
   // "t" is the id of the templates root node.
   return jstemplate_builder::GetTemplatesHtml(
       template_html, &error_strings, "t");
 }
 
+MessageLoop* RenderView::GetMessageLoopForIO() {
+  // Assume that we have only one RenderThread in the process and the owner loop
+  // of RenderThread is an IO message loop.
+  if (RenderThread::current())
+    return RenderThread::current()->owner_loop();
+  return NULL;
+}
+
 void RenderView::OnMoveOrResizeStarted() {
   if (webview())
     webview()->HideAutofillPopup();
 }
 
 void RenderView::OnResize(const gfx::Size& new_size,
                           const gfx::Rect& resizer_rect) {
   if (webview())
     webview()->HideAutofillPopup();
   RenderWidget::OnResize(new_size, resizer_rect);
@@ skipping 237 matching lines @@
     Send(new ViewHostMsg_PasswordFormsSeen(routing_id_, password_forms));
 }
 
 void RenderView::Print(WebFrame* frame, bool script_initiated) {
   DCHECK(frame);
   if (print_helper_.get() == NULL) {
     print_helper_.reset(new PrintWebViewHelper(this));
   }
   print_helper_->Print(frame, script_initiated);
 }