Browser Plugin: Plumbing to enable tabbing out of a browser tag

content/renderer/browser_plugin/browser_plugin.cc

 // Copyright (c) 2012 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 "content/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/id_map.h"
 #include "base/lazy_instance.h"
 #include "base/process.h"
@@ skipping 105 matching lines @@
 void BrowserPlugin::LoadGuest(
     int guest_process_id,
     const IPC::ChannelHandle& channel_handle) {
   webkit::ppapi::WebPluginImpl* new_guest =
       render_view()->CreateBrowserPlugin(channel_handle,
                                          guest_process_id,
                                          plugin_params());
   Replace(new_guest);
 }
 
+void BrowserPlugin::AdvanceFocus(bool reverse) {
+  // TODO(fsamuel): Uncomment this once http://wkbug.com/88827 lands.
+  // render_view()->GetWebView()->advanceFocus(reverse);
+}
+
 void BrowserPlugin::Replace(
     webkit::ppapi::WebPluginImpl* new_plugin) {
   WebKit::WebPlugin* current_plugin =
       plugin_ ? static_cast<WebKit::WebPlugin*>(plugin_) : placeholder_;
   WebKit::WebPluginContainer* container = current_plugin->container();
   if (!new_plugin || !new_plugin->initialize(container))
     return;
 
   // Clear the container's backing texture ID.
   if (plugin_)
     plugin_->instance()->BindGraphics(plugin_->instance()->pp_instance(), 0);
 
   PP_Instance instance = new_plugin->instance()->pp_instance();
   ppapi::proxy::HostDispatcher* dispatcher =
       ppapi::proxy::HostDispatcher::GetForInstance(instance);
   dispatcher->Send(new BrowserPluginMsg_GuestReady(instance, id_));
 
   // TODO(fsamuel): We should delay the swapping out of the current plugin
   // until after the guest's WebGraphicsContext3D has been initialized. That
   // way, we immediately have something to render onto the screen.
   container->setPlugin(new_plugin);
   container->invalidate();
   container->reportGeometry();
   if (plugin_)
     plugin_->destroy();
   plugin_ = new_plugin;
 }