Pass DomContentLoaded event from prerenders to launching elements.

chrome/renderer/prerender/prerender_dispatcher.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/prerender/prerender_dispatcher.h"
 
 #include "base/logging.h"
 #include "chrome/common/prerender_messages.h"
 #include "chrome/renderer/prerender/prerender_extra_data.h"
 #include "content/public/common/referrer.h"
@@ skipping 41 matching lines @@
     return;
 
   WebPrerender& prerender = it->second;
   DCHECK(!prerender.isNull())
       << "OnPrerenderStopLoading shouldn't be called from a unit test, the only"
       << "context in which a WebPrerender in the dispatcher can be null.";
 
   prerender.didSendLoadForPrerender();
 }
 
+void PrerenderDispatcher::OnPrerenderDomContentLoaded(int prerender_id) {
+  std::map<int, WebPrerender>::iterator it = prerenders_.find(prerender_id);
+  if (it == prerenders_.end())
+    return;
+
+  WebPrerender& prerender = it->second;
+  DCHECK(!prerender.isNull())
+      << "OnPrerenderDomContentLoaded shouldn't be called from a unit test,"
+      << " the only context in which a WebPrerender in the dispatcher can be"
+      << " null.";
+
+  prerender.didSendDOMContentLoadedForPrerender();
+}
+
 void PrerenderDispatcher::OnPrerenderAddAlias(const GURL& alias) {
   running_prerender_urls_.insert(alias);
 }
 
 void PrerenderDispatcher::OnPrerenderRemoveAliases(
     const std::vector<GURL>& aliases) {
   for (size_t i = 0; i < aliases.size(); ++i) {
     std::multiset<GURL>::iterator it = running_prerender_urls_.find(aliases[i]);
     if (it != running_prerender_urls_.end()) {
       running_prerender_urls_.erase(it);
@@ skipping 18 matching lines @@
   prerenders_.erase(prerender_id);
 }
 
 bool PrerenderDispatcher::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PrerenderDispatcher, message)
     IPC_MESSAGE_HANDLER(PrerenderMsg_OnPrerenderStart, OnPrerenderStart)
     IPC_MESSAGE_HANDLER(PrerenderMsg_OnPrerenderStopLoading,
                         OnPrerenderStopLoading)
+    IPC_MESSAGE_HANDLER(PrerenderMsg_OnPrerenderDomContentLoaded,
+                        OnPrerenderDomContentLoaded)
     IPC_MESSAGE_HANDLER(PrerenderMsg_OnPrerenderAddAlias, OnPrerenderAddAlias)
     IPC_MESSAGE_HANDLER(PrerenderMsg_OnPrerenderRemoveAliases,
                         OnPrerenderRemoveAliases)
     IPC_MESSAGE_HANDLER(PrerenderMsg_OnPrerenderStop, OnPrerenderStop)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
@@ skipping 32 matching lines @@
   content::RenderThread::Get()->Send(
       new PrerenderHostMsg_AbandonLinkRelPrerender(extra_data.prerender_id()));
   // The browser will not send an OnPrerenderStop (the prerender may have even
   // been canceled before it was started), so release it to avoid a
   // leak. Moreover, if it did, the PrerenderClient in Blink will have been
   // detached already.
   prerenders_.erase(extra_data.prerender_id());
 }
 
 }  // namespace prerender