Allow view-source of pages fully-blocked by Blink's XSS filter.

content/public/browser/navigation_controller.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_BROWSER_NAVIGATION_CONTROLLER_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 272 matching lines @@
 
   // Adds an entry that is returned by GetActiveEntry(). The entry is
   // transient: any navigation causes it to be removed and discarded.  The
   // NavigationController becomes the owner of |entry| and deletes it when
   // it discards it. This is useful with interstitial pages that need to be
   // represented as an entry, but should go away when the user navigates away
   // from them.
   // Note that adding a transient entry does not change the active contents.
   virtual void SetTransientEntry(NavigationEntry* entry) = 0;
 
+  // Keep a NavigationEntry apart from the regular history to be used to
+  // regenerate source after Blink blocks a page.
+  virtual NavigationEntry* GetBlockedPageEntry() const = 0;
+  virtual void SetBlockedPageEntry(NavigationEntry* entry) = 0;

[nasko, 2014/06/10 23:21:30]

This is not called outside of content/, so it shouldn't be in the pubic
interface.

+
   // New navigations -----------------------------------------------------------
 
   // Loads the specified URL, specifying extra http headers to add to the
   // request.  Extra headers are separated by \n.
   virtual void LoadURL(const GURL& url,
                        const Referrer& referrer,
                        PageTransition type,
                        const std::string& extra_headers) = 0;
 
   // More general version of LoadURL. See comments in LoadURLParams for
@@ skipping 138 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class NavigationControllerImpl;
   NavigationController() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_