Introduce SubframeNavigationFilteringThrottle

content/browser/frame_host/navigation_handle_impl.h

 // Copyright 2015 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_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 
 #include "content/public/browser/navigation_handle.h"
 
 #include <stddef.h>
@@ skipping 128 matching lines @@
       bool new_is_external_protocol) override;
   NavigationThrottle::ThrottleCheckResult CallWillProcessResponseForTesting(
       RenderFrameHost* render_frame_host,
       const std::string& raw_response_header) override;
   void CallDidCommitNavigationForTesting(const GURL& url) override;
   bool WasStartedFromContextMenu() const override;
   const GURL& GetSearchableFormURL() override;
   const std::string& GetSearchableFormEncoding() override;
   ReloadType GetReloadType() override;
   const GlobalRequestID& GetGlobalRequestID() override;
-
   NavigationData* GetNavigationData() override;
+  bool IsCancellingForTesting() override;
 
   // The NavigatorDelegate to notify/query for various navigation events.
   // Normally this is the WebContents, except if this NavigationHandle was
   // created during a navigation to an interstitial page. In this case it will
   // be the InterstitialPage itself.
   //
   // Note: due to the interstitial navigation case, all calls that can possibly
   // expose the NavigationHandle to code outside of content/ MUST go though the
   // NavigatorDelegate. In particular, the ContentBrowserClient should not be
   // called directly form the NavigationHandle code. Thus, these calls will not
@@ skipping 330 matching lines @@
   NavigationType navigation_type_;
 
   base::WeakPtrFactory<NavigationHandleImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_