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

content/browser/tab_contents/tab_contents.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/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 244 matching lines @@
 #endif
       is_showing_before_unload_dialog_(false),
       opener_web_ui_type_(WebUI::kNoWebUI),
       closed_by_user_gesture_(false),
       minimum_zoom_percent_(
           static_cast<int>(content::kMinimumZoomFactor * 100)),
       maximum_zoom_percent_(
           static_cast<int>(content::kMaximumZoomFactor * 100)),
       temporary_zoom_settings_(false),
       content_restrictions_(0),
-      view_type_(content::VIEW_TYPE_TAB_CONTENTS) {
+      view_type_(content::VIEW_TYPE_TAB_CONTENTS),
+      has_opener_(false) {
   render_manager_.Init(browser_context, site_instance, routing_id);
 
   // We have the initial size of the view be based on the size of the passed in
   // tab contents (normally a tab from the same window).
   view_->CreateView(base_tab_contents ?
       base_tab_contents->GetView()->GetContainerSize() : gfx::Size());
 
 #if defined(ENABLE_JAVA_BRIDGE)
   java_bridge_dispatcher_host_manager_.reset(
       new JavaBridgeDispatcherHostManager(this));
@@ skipping 1065 matching lines @@
        render_manager_.pending_web_ui()))
     return render_manager_.pending_web_ui();
   return render_manager_.web_ui();
 }
 
 bool TabContents::GotResponseToLockMouseRequest(bool allowed) {
   return GetRenderViewHost() ?
       GetRenderViewHostImpl()->GotResponseToLockMouseRequest(allowed) : false;
 }
 
+bool TabContents::HasOpener() const {
+  return has_opener_;
+}
+
 bool TabContents::FocusLocationBarByDefault() {
   content::WebUI* web_ui = GetWebUIForCurrentState();
   if (web_ui)
     return web_ui->ShouldFocusLocationBarByDefault();
   NavigationEntry* entry = controller_.GetActiveEntry();
   if (entry && entry->GetURL() == GURL(chrome::kAboutBlankURL))
     return true;
   return false;
 }
 
@@ skipping 1146 matching lines @@
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = GetView()->CreateViewForWidget(rvh);
   // Can be NULL during tests.
   if (rwh_view)
     rwh_view->SetSize(GetView()->GetContainerSize());
 }
 
 RenderViewHostImpl* TabContents::GetRenderViewHostImpl() {
   return static_cast<RenderViewHostImpl*>(GetRenderViewHost());
 }