When an iframe displays its srcdoc, generate navigation events for about:srcdoc

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 36 matching lines @@
   bool CanSendEvents(FrameID frame_id) const;
 
   // True if in general webNavigation events may be sent for the given URL.
   bool IsValidUrl(const GURL& url) const;
 
   // Starts to track a frame identified by its |frame_id| showing the URL |url|.
   void TrackFrame(FrameID frame_id,
                   FrameID parent_frame_id,
                   const GURL& url,
                   bool is_main_frame,
-                  bool is_error_page);
+                  bool is_error_page,
+                  bool is_iframe_srcdoc);
 
   // Stops tracking all frames but the frame with |id_to_skip| for a given
   // RenderViewHost.
   void StopTrackingFramesInRVH(content::RenderViewHost* render_view_host,
                                FrameID id_to_skip);
 
   // Update the URL associated with a given frame.
   void UpdateFrame(FrameID frame_id, const GURL& url);
 
   // Returns true if |frame_id| is a known frame.
@@ skipping 41 matching lines @@
   bool GetIsServerRedirected(FrameID frame_id) const;
 
 #ifdef UNIT_TEST
   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_main_frame;  // True if this is a main frame.
+    bool is_iframe_srcdoc;  // True if the frame is displaying its srcdoc.
     bool is_navigating;  // True if there is a navigation going on.
     bool is_committed;  // True if the navigation is already committed.
     bool is_server_redirected;  // True if a server redirect happened.
     int64 parent_frame_num;
     GURL url;  // URL of this frame.
   };
   typedef std::map<FrameID, FrameState> FrameIdToStateMap;
 
   // Tracks the state of known frames.
   FrameIdToStateMap frame_state_map_;
 
   // Set of all known frames.
   std::set<FrameID> frame_ids_;
 
   // The id of the last comitted main frame.
   FrameID main_frame_id_;
 
   // 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_