Reset Frame::m_hasReceivedUserGesture for main frames on navigation

third_party/WebKit/Source/core/frame/LocalFrame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
@@ skipping 497 matching lines @@
 
   if (Document* document = this->document())
     ChildFrameDisconnector(*document).disconnect();
 }
 
 void LocalFrame::documentAttached() {
   DCHECK(document());
   selection().documentAttached(document());
   inputMethodController().documentAttached(document());
   spellChecker().documentAttached(document());
+  if (isMainFrame())
+    m_hasReceivedUserGesture = false;
 }
 
 LocalDOMWindow* LocalFrame::domWindow() const {
   return toLocalDOMWindow(m_domWindow);
 }
 
 void LocalFrame::setDOMWindow(LocalDOMWindow* domWindow) {
   if (domWindow)
     script().clearWindowProxy();
 
@@ skipping 388 matching lines @@
   if (m_frame && m_frame->client() && m_frame->client()->frameBlameContext())
     m_frame->client()->frameBlameContext()->Enter();
 }
 
 ScopedFrameBlamer::~ScopedFrameBlamer() {
   if (m_frame && m_frame->client() && m_frame->client()->frameBlameContext())
     m_frame->client()->frameBlameContext()->Leave();
 }
 
 }  // namespace blink