Give the main frame a RenderWidget.

content/browser/frame_host/interstitial_page_impl.cc

 // Copyright 2013 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/frame_host/interstitial_page_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 577 matching lines @@
   scoped_refptr<SiteInstance> site_instance =
       SiteInstance::Create(browser_context);
   DOMStorageContextWrapper* dom_storage_context =
       static_cast<DOMStorageContextWrapper*>(
           BrowserContext::GetStoragePartition(
               browser_context, site_instance.get())->GetDOMStorageContext());
   session_storage_namespace_ =
       new SessionStorageNamespaceImpl(dom_storage_context);
 
   // Use the RenderViewHost from our FrameTree.
+  // TODO(avi): The view routing ID can be restored to MSG_ROUTING_NONE once
+  // RenderViewHostImpl has-a RenderWidgetHostImpl. https://crbug.com/545684
+  int32_t widget_routing_id = site_instance->GetProcess()->GetNextRoutingID();
   frame_tree_.root()->render_manager()->Init(
-      browser_context, site_instance.get(), MSG_ROUTING_NONE, MSG_ROUTING_NONE,
-      MSG_ROUTING_NONE);
+      site_instance.get(), widget_routing_id, MSG_ROUTING_NONE,
+      widget_routing_id);
   return frame_tree_.root()->current_frame_host()->render_view_host();
 }
 
 WebContentsView* InterstitialPageImpl::CreateWebContentsView() {
   if (!enabled() || !create_view_)
     return NULL;
   WebContentsView* wcv =
       static_cast<WebContentsImpl*>(web_contents())->GetView();
   RenderWidgetHostViewBase* view =
       wcv->CreateViewForWidget(render_view_host_->GetWidget(), false);
@@ skipping 143 matching lines @@
 void InterstitialPageImpl::DontCreateViewForTesting() {
   create_view_ = false;
 }
 
 gfx::Rect InterstitialPageImpl::GetRootWindowResizerRect() const {
   return gfx::Rect();
 }
 
 void InterstitialPageImpl::CreateNewWindow(
     SiteInstance* source_site_instance,
-    int route_id,
-    int main_frame_route_id,
+    int32_t route_id,
+    int32_t main_frame_route_id,
+    int32_t main_frame_widget_route_id,
     const ViewHostMsg_CreateWindow_Params& params,
     SessionStorageNamespace* session_storage_namespace) {
   NOTREACHED() << "InterstitialPage does not support showing popups yet.";
 }
 
 void InterstitialPageImpl::CreateNewWidget(int32 render_process_id,
                                            int32 route_id,
                                            blink::WebPopupType popup_type) {
   NOTREACHED() << "InterstitialPage does not support showing drop-downs yet.";
 }
@@ skipping 167 matching lines @@
 void InterstitialPageImpl::UnderlyingContentObserver::NavigationEntryCommitted(
     const LoadCommittedDetails& load_details) {
   interstitial_->OnNavigatingAwayOrTabClosing();
 }
 
 void InterstitialPageImpl::UnderlyingContentObserver::WebContentsDestroyed() {
   interstitial_->OnNavigatingAwayOrTabClosing();
 }
 
 }  // namespace content