Remove deprecated TabContentsDelegate::OpenURLFromTab variant

chrome/browser/prerender/prerender_manager.cc

 // Copyright (c) 2011 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/browser/prerender/prerender_manager.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 429 matching lines @@
   if (!session_storage_namespace && source_render_view_host) {
     session_storage_namespace =
         source_render_view_host->session_storage_namespace();
   }
 
   PrerenderContents* prerender_contents = CreatePrerenderContents(
       url, referrer, origin, experiment);
   if (!prerender_contents || !prerender_contents->Init())
     return false;
 
+  histograms_->RecordPrerenderStarted(origin);
+
   // TODO(cbentzel): Move invalid checks here instead of PrerenderContents?
   PrerenderContentsData data(prerender_contents, GetCurrentTime());
 
   prerender_list_.push_back(data);
 
   if (IsControlGroup()) {
     data.contents_->set_final_status(FINAL_STATUS_CONTROL_GROUP);
   } else {
     last_prerender_start_time_ = GetCurrentTimeTicks();
     data.contents_->StartPrerendering(source_render_view_host,
@@ skipping 694 matching lines @@
   if (!render_process_host || !render_process_host->GetBrowserContext())
     return NULL;
   Profile* profile = Profile::FromBrowserContext(
       render_process_host->GetBrowserContext());
   if (!profile)
     return NULL;
   return PrerenderManagerFactory::GetInstance()->GetForProfile(profile);
 }
 
 }  // namespace prerender