Fix nested URL blocking needs with PlzNavigate.

extensions/browser/extension_navigation_ui_data.h

 // Copyright 2016 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 EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_
 #define EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "extensions/browser/extension_api_frame_id_map.h"
 
 namespace content {
 class NavigationHandle;
 }
 
 namespace extensions {
 
 // PlzNavigate: initialized on the UI thread for all navigations. A copy is used
 // on the IO thread by the WebRequest API to access to the FrameData.
 class ExtensionNavigationUIData {
  public:
   ExtensionNavigationUIData();
   ExtensionNavigationUIData(content::NavigationHandle* navigation_handle,
+                            bool from_extension,
                             int tab_id,
                             int window_id);
 
   std::unique_ptr<ExtensionNavigationUIData> DeepCopy() const;
 
+  bool from_extension() const { return from_extension_; }
   const ExtensionApiFrameIdMap::FrameData& frame_data() const {
     return frame_data_;
   }
 
  private:
   void set_frame_data(const ExtensionApiFrameIdMap::FrameData& frame_data) {
     frame_data_ = frame_data;
   }
 
+  bool from_extension_;
   ExtensionApiFrameIdMap::FrameData frame_data_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionNavigationUIData);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_NAVIGATION_UI_DATA_H_