Prerendered pages are swapped in at browser::Navigate time.

chrome/renderer/plugins/plugin_placeholder.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 "chrome/renderer/plugins/plugin_placeholder.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/string_escape.h"
 #include "base/string_piece.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/render_messages.h"
+#include "chrome/common/prerender_messages.h"
 #include "chrome/renderer/chrome_content_renderer_client.h"
 #include "chrome/renderer/custom_menu_commands.h"
 #include "chrome/renderer/plugins/plugin_uma.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "grit/generated_resources.h"
 #include "grit/renderer_resources.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebData.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPoint.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
@@ skipping 184 matching lines @@
   IPC_END_MESSAGE_MAP()
 
   if (handled)
     return true;
 #endif
 
   // We don't swallow these messages because multiple blocked plugins have an
   // interest in them.
   IPC_BEGIN_MESSAGE_MAP(PluginPlaceholder, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_LoadBlockedPlugins, OnLoadBlockedPlugins)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetIsPrerendering, OnSetIsPrerendering)
+    IPC_MESSAGE_HANDLER(PrerenderMsg_SetIsPrerendering, OnSetIsPrerendering)
   IPC_END_MESSAGE_MAP()
 
   return false;
 }
 
 void PluginPlaceholder::ReplacePlugin(WebPlugin* new_plugin) {
   CHECK(plugin_);
   WebPluginContainer* container = plugin_->container();
   if (new_plugin && new_plugin->initialize(container)) {
     plugin_->RestoreTitleText();
@@ skipping 230 matching lines @@
   RenderThread::Get()->Send(
       new ChromeViewHostMsg_OpenAboutPlugins(routing_id()));
 }
 
 void PluginPlaceholder::DidFinishLoadingCallback(const CppArgumentList& args,
                                                  CppVariant* result) {
   finished_loading_ = true;
   if (message_.length() > 0)
     UpdateMessage();
 }