Revert of Remove about:srcdoc url conversion.

chrome/browser/prerender/prerender_contents.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/browser/prerender/prerender_contents.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 540 matching lines @@
 
 void PrerenderContents::DocumentLoadedInFrame(
     content::RenderFrameHost* render_frame_host) {
   if (!render_frame_host->GetParent())
     NotifyPrerenderDomContentLoaded();
 }
 
 void PrerenderContents::DidStartProvisionalLoadForFrame(
     content::RenderFrameHost* render_frame_host,
     const GURL& validated_url,
-    bool is_error_page) {
+    bool is_error_page,
+    bool is_iframe_srcdoc) {
   if (!render_frame_host->GetParent()) {
     if (!CheckURL(validated_url))
       return;
 
     // Usually, this event fires if the user clicks or enters a new URL.
     // Neither of these can happen in the case of an invisible prerender.
     // So the cause is: Some JavaScript caused a new URL to be loaded.  In that
     // case, the spinner would start again in the browser, so we must reset
     // has_stopped_loading_ so that the spinner won't be stopped.
     has_stopped_loading_ = false;
@@ skipping 174 matching lines @@
 void PrerenderContents::AddResourceThrottle(
     const base::WeakPtr<PrerenderResourceThrottle>& throttle) {
   resource_throttles_.push_back(throttle);
 }
 
 void PrerenderContents::AddNetworkBytes(int64_t bytes) {
   network_bytes_ += bytes;
 }
 
 }  // namespace prerender