Implement NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE.

third_party/WebKit/Source/web/RemoteFrameOwner.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 RemoteFrameOwner_h
 #define RemoteFrameOwner_h
 
 #include "core/frame/FrameOwner.h"
 #include "platform/scroll/ScrollTypes.h"
 #include "public/web/WebFrameOwnerProperties.h"
@@ skipping 47 matching lines @@
   }
   void setScrollingMode(WebFrameOwnerProperties::ScrollingMode);
   void setMarginWidth(int marginWidth) { m_marginWidth = marginWidth; }
   void setMarginHeight(int marginHeight) { m_marginHeight = marginHeight; }
   void setAllowFullscreen(bool allowFullscreen) {
     m_allowFullscreen = allowFullscreen;
   }
   void setAllowPaymentRequest(bool allowPaymentRequest) {
     m_allowPaymentRequest = allowPaymentRequest;
   }
+  void setCollapsedByClient(bool) override;
   void setCsp(const WebString& csp) { m_csp = csp; }
   void setDelegatedpermissions(
       const WebVector<mojom::blink::PermissionName>& delegatedPermissions) {
     m_delegatedPermissions = delegatedPermissions;
   }
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   RemoteFrameOwner(SandboxFlags, const WebFrameOwnerProperties&);
@@ skipping 17 matching lines @@
 
 DEFINE_TYPE_CASTS(RemoteFrameOwner,
                   FrameOwner,
                   owner,
                   owner->isRemote(),
                   owner.isRemote());
 
 }  // namespace blink
 
 #endif  // RemoteFrameOwner_h