Revert of Remove about:srcdoc url conversion.

content/public/test/test_frame_navigation_observer.cc

 // Copyright 2014 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/public/test/test_frame_navigation_observer.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/stl_util.h"
@@ skipping 41 matching lines @@
   if (has_committed_)
     return;
 
   wait_for_commit_ = true;
   message_loop_runner_->Run();
 }
 
 void TestFrameNavigationObserver::DidStartProvisionalLoadForFrame(
     RenderFrameHost* render_frame_host,
     const GURL& validated_url,
-    bool is_error_page) {
+    bool is_error_page,
+    bool is_iframe_srcdoc) {
   RenderFrameHostImpl* rfh =
       static_cast<RenderFrameHostImpl*>(render_frame_host);
   if (rfh->frame_tree_node()->frame_tree_node_id() == frame_tree_node_id_) {
     navigation_started_ = true;
     has_committed_ = false;
   }
 }
 
 void TestFrameNavigationObserver::DidCommitProvisionalLoadForFrame(
     RenderFrameHost* render_frame_host,
@@ skipping 14 matching lines @@
 
 void TestFrameNavigationObserver::DidStopLoading() {
   if (!navigation_started_)
     return;
 
   navigation_started_ = false;
   message_loop_runner_->Quit();
 }
 
 }  // namespace content