Revert of Remove about:srcdoc url conversion.

content/public/test/test_navigation_observer.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
 #define CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
 
 #include <memory>
 #include <set>
 
@@ skipping 47 matching lines @@
                               WebContents* web_contents);
   void OnNavigationEntryCommitted(
       TestWebContentsObserver* observer,
       WebContents* web_contents,
       const LoadCommittedDetails& load_details);
   void OnDidAttachInterstitialPage(WebContents* web_contents);
   void OnDidStartLoading(WebContents* web_contents);
   void OnDidStopLoading(WebContents* web_contents);
   void OnDidStartProvisionalLoad(RenderFrameHost* render_frame_host,
                                  const GURL& validated_url,
-                                 bool is_error_page);
+                                 bool is_error_page,
+                                 bool is_iframe_srcdoc);
   void OnDidFailProvisionalLoad(RenderFrameHost* render_frame_host,
                                 const GURL& validated_url,
                                 int error_code,
                                 const base::string16& error_description);
   void OnDidCommitProvisionalLoadForFrame(RenderFrameHost* render_frame_host,
                                           const GURL& url,
                                           ui::PageTransition transition_type);
 
   // If true the navigation has started.
   bool navigation_started_;
@@ skipping 18 matching lines @@
 
   // Living TestWebContentsObservers created by this observer.
   std::set<std::unique_ptr<TestWebContentsObserver>> web_contents_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNavigationObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_