Reenable framebusting deprecation, change it to allow navigation if iframe has ever had a user gestu

third_party/WebKit/Source/core/input/GestureManager.cpp

 // 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.
 
 #include "core/input/GestureManager.h"
 
 #include "core/dom/Document.h"
 #include "core/editing/SelectionController.h"
 #include "core/events/GestureEvent.h"
 #include "core/frame/FrameHost.h"
@@ skipping 53 matching lines @@
       return hitType | HitTestRequest::Active | HitTestRequest::ReadOnly;
     default:
       NOTREACHED();
       return hitType | HitTestRequest::Active | HitTestRequest::ReadOnly;
   }
 }
 
 WebInputEventResult GestureManager::handleGestureEventInFrame(
     const GestureEventWithHitTestResults& targetedEvent) {
   DCHECK(!targetedEvent.event().isScrollEvent());
+  m_frame->document()->setHasReceivedUserGesture();
 
   Node* eventTarget = targetedEvent.hitTestResult().innerNode();
   const PlatformGestureEvent& gestureEvent = targetedEvent.event();
 
   if (m_scrollManager->canHandleGestureEvent(targetedEvent))
     return WebInputEventResult::HandledSuppressed;
 
   if (eventTarget) {
     GestureEvent* gestureDomEvent =
         GestureEvent::create(eventTarget->document().domWindow(), gestureEvent);
@@ skipping 323 matching lines @@
     return nullptr;
 
   return &m_frame->page()->frameHost();
 }
 
 double GestureManager::getLastShowPressTimestamp() const {
   return m_lastShowPressTimestamp;
 }
 
 }  // namespace blink