Making window.focus() work in Chrome

chrome/renderer/render_widget.cc

 // 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.
 
 #include "chrome/renderer/render_widget.h"
 
 #include "app/surface/transport_dib.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 610 matching lines @@
       Send(new ViewHostMsg_ShowPopup(routing_id_, *popup_params_));
       popup_params_.reset();
     } else {
       Send(new ViewHostMsg_ShowWidget(opener_id_, routing_id_, initial_pos_));
     }
     SetPendingWindowRect(initial_pos_);
   }
 }
 
 void RenderWidget::didFocus() {
-  // Prevent the widget from stealing the focus if it does not have focus
-  // already.  We do this by explicitely setting the focus to false again.
-  // We only let the browser focus the renderer.
-  if (!has_focus_ && webwidget_) {
-    MessageLoop::current()->PostTask(FROM_HERE,
-        NewRunnableMethod(this, &RenderWidget::ClearFocus));
-  }
+  Send(new ViewHostMsg_Focus(routing_id_));
 }
 
 void RenderWidget::didBlur() {
   Send(new ViewHostMsg_Blur(routing_id_));
 }
 
 void RenderWidget::DoDeferredClose() {
   Send(new ViewHostMsg_Close(routing_id_));
 }
 
@@ skipping 277 matching lines @@
 
 void RenderWidget::CleanupWindowInPluginMoves(gfx::PluginWindowHandle window) {
   for (WebPluginGeometryVector::iterator i = plugin_window_moves_.begin();
        i != plugin_window_moves_.end(); ++i) {
     if (i->window == window) {
       plugin_window_moves_.erase(i);
       break;
     }
   }
 }