[NoStatePrefetch] Kill renderer after preload scanning

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1978 matching lines @@
   if (msg.routing_id() == MSG_ROUTING_CONTROL) {
     // Dispatch control messages.
     IPC_BEGIN_MESSAGE_MAP(RenderProcessHostImpl, msg)
       IPC_MESSAGE_HANDLER(ChildProcessHostMsg_ShutdownRequest,
                           OnShutdownRequest)
       IPC_MESSAGE_HANDLER(RenderProcessHostMsg_SuddenTerminationChanged,
                           SuddenTerminationChanged)
       IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
                           OnUserMetricsRecordAction)
       IPC_MESSAGE_HANDLER(ViewHostMsg_Close_ACK, OnCloseACK)
+      IPC_MESSAGE_HANDLER(ViewHostMsg_PrefetchFinished, OnPrefetchFinished)
 #if defined(ENABLE_WEBRTC)
       IPC_MESSAGE_HANDLER(AecDumpMsg_RegisterAecDumpConsumer,
                           OnRegisterAecDumpConsumer)
       IPC_MESSAGE_HANDLER(AecDumpMsg_UnregisterAecDumpConsumer,
                           OnUnregisterAecDumpConsumer)
 #endif
     // Adding single handlers for your service here is fine, but once your
     // service needs more than one handler, please extract them into a new
     // message filter and add that filter to CreateMessageFilters().
     IPC_END_MESSAGE_MAP()
 
     return true;
   }
 
   // Dispatch incoming messages to the appropriate IPC::Listener.
   IPC::Listener* listener = listeners_.Lookup(msg.routing_id());
   if (!listener) {
     if (msg.is_sync()) {
       // The listener has gone away, so we must respond or else the caller will
       // hang waiting for a reply.
       IPC::Message* reply = IPC::SyncMessage::GenerateReply(&msg);
       reply->set_reply_error();
       Send(reply);
     }
     return true;
   }
   return listener->OnMessageReceived(msg);
 }
 
+void RenderProcessHostImpl::OnPrefetchFinished() {
+  FOR_EACH_OBSERVER(RenderProcessHostObserver, observers_,
+                    RenderProcessHostPrefetchFinished(this));
+}
+
 void RenderProcessHostImpl::OnChannelConnected(int32_t peer_pid) {
   channel_connected_ = true;
   if (IsReady()) {
     DCHECK(!sent_render_process_ready_);
     sent_render_process_ready_ = true;
     // Send RenderProcessReady only if we already received the process handle.
     FOR_EACH_OBSERVER(RenderProcessHostObserver,
                       observers_,
                       RenderProcessReady(this));
   }
@@ skipping 993 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing. Alias
   // enough information here so that we can determine what the bad message was.
   base::debug::Alias(&error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content