PlzNavigate: Initialize the renderer on commit

content/browser/frame_host/render_frame_host_manager.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/render_frame_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 600 matching lines @@
         current_instance, new_instance, frame_tree_node_->IsMainFrame());
     DCHECK(pending_render_frame_host_.get());
     // TODO(clamy): Wait until the navigation has committed before swapping
     // renderers.
     scoped_ptr<RenderFrameHostImpl> old_render_frame_host =
         SetRenderFrameHost(pending_render_frame_host_.Pass());
     if (frame_tree_node_->IsMainFrame())
       render_frame_host_->render_view_host()->AttachToFrameTree();
   }
 
+  // If the renderer that needs to navigate is not live (it was just created or
+  // it crashed), initialize it.
+  if (!render_frame_host_->render_view_host()->IsRenderViewLive()) {
+    // Recreate the opener chain.
+    int opener_route_id = delegate_->CreateOpenerRenderViewsForRenderManager(
+        render_frame_host_->GetSiteInstance());
+    if (!InitRenderView(render_frame_host_->render_view_host(),
+                        opener_route_id,
+                        MSG_ROUTING_NONE,
+                        frame_tree_node_->IsMainFrame())) {
+      return;
+    }
+  }
+
   frame_tree_node_->navigator()->CommitNavigation(
       render_frame_host_.get(), info);
 }
 
 void RenderFrameHostManager::Observe(
     int type,
     const NotificationSource& source,
     const NotificationDetails& details) {
   switch (type) {
     case NOTIFICATION_RENDERER_PROCESS_CLOSED:
@@ skipping 1042 matching lines @@
 void RenderFrameHostManager::DeleteRenderFrameProxyHost(
     SiteInstance* instance) {
   RenderFrameProxyHostMap::iterator iter = proxy_hosts_.find(instance->GetId());
   if (iter != proxy_hosts_.end()) {
     delete iter->second;
     proxy_hosts_.erase(iter);
   }
 }
 
 }  // namespace content