Revert of Remove about:srcdoc url conversion.

chrome/browser/extensions/api/web_navigation/frame_navigation_state.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 CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_FRAME_NAVIGATION_STATE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_FRAME_NAVIGATION_STATE_H_
 
 #include <map>
 #include <set>
 
@@ skipping 24 matching lines @@
   const_iterator begin() const { return frame_hosts_.begin(); }
   const_iterator end() const { return frame_hosts_.end(); }
 
   // True if navigation events for the given frame can be sent.
   bool CanSendEvents(content::RenderFrameHost* frame_host) const;
 
   // Starts to track a document load in |frame_host| to |url|.
   void StartTrackingDocumentLoad(content::RenderFrameHost* frame_host,
                                  const GURL& url,
                                  bool is_same_page,
-                                 bool is_error_page);
+                                 bool is_error_page,
+                                 bool is_iframe_srcdoc);
 
   // Adds the |frame_host| to the set of RenderFrameHosts associated with the
   // WebContents this object is tracking. This method and FrameHostDeleted
   // are used to track the set of current RenderFrameHosts, which is used to
   // implement the GetFrame and GetAllFrames extension APIs.
   void FrameHostCreated(content::RenderFrameHost* frame_host);
 
   // Removes the |frame_host| from the set of RenderFrameHosts associated with
   // the WebContents this object is tracking.
   void FrameHostDeleted(content::RenderFrameHost* frame_host);
@@ skipping 33 matching lines @@
   static void set_allow_extension_scheme(bool allow_extension_scheme) {
     allow_extension_scheme_ = allow_extension_scheme;
   }
 #endif
 
  private:
   struct FrameState {
     FrameState();
 
     bool error_occurred;  // True if an error has occurred in this frame.
+    bool is_iframe_srcdoc;  // True if the frame is displaying its srcdoc.
     bool is_loading;        // True if there is a document load going on.
     bool is_parsing;  // True if the frame is still parsing.
     GURL url;  // URL of this frame.
   };
   typedef std::map<content::RenderFrameHost*, FrameState> FrameHostToStateMap;
 
   // Tracks the state of known frame hosts.
   FrameHostToStateMap frame_host_state_map_;
 
   // Set of all known frame hosts.
   std::set<content::RenderFrameHost*> frame_hosts_;
 
   // If true, also allow events from chrome-extension:// URLs.
   static bool allow_extension_scheme_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameNavigationState);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_FRAME_NAVIGATION_STATE_H_