Reset Frame::m_hasReceivedUserGesture for main frames on navigation

third_party/WebKit/Source/web/WebFrame.cpp

 // Copyright 2014 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 "public/web/WebFrame.h"
 
 #include "bindings/core/v8/WindowProxyManager.h"
 #include "core/HTMLNames.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
@@ skipping 92 matching lines @@
       // This trace event is needed to detect the main frame of the
       // renderer in telemetry metrics. See crbug.com/692112#c11.
       TRACE_EVENT_INSTANT1("loading", "markAsMainFrame",
                            TRACE_EVENT_SCOPE_THREAD, "frame", &localFrame);
     }
   } else {
     toWebRemoteFrameImpl(frame)->initializeCoreFrame(host, owner, name,
                                                      uniqueName);
   }
 
-  if (oldFrame->hasReceivedUserGesture())
+  if (m_parent && oldFrame->hasReceivedUserGesture())
     frame->toImplBase()->frame()->setDocumentHasReceivedUserGesture();
 
   frame->toImplBase()->frame()->getWindowProxyManager()->setGlobals(globals);
 
   m_parent = nullptr;
 
   return true;
 }
 
 void WebFrame::detach() {
@@ skipping 189 matching lines @@
   for (WebFrame* child = frame->firstChild(); child;
        child = child->nextSibling())
     traceFrame(visitor, child);
 }
 
 void WebFrame::close() {
   m_openedFrameTracker->dispose();
 }
 
 }  // namespace blink