Stricter user gestures for touch - measure and warn

third_party/WebKit/Source/core/loader/NavigationScheduler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Adam Barth. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 46 matching lines @@
 unsigned NavigationDisablerForBeforeUnload::s_navigationDisableCount = 0;
 
 class ScheduledNavigation : public NoBaseWillBeGarbageCollectedFinalized<ScheduledNavigation> {
     WTF_MAKE_NONCOPYABLE(ScheduledNavigation); USING_FAST_MALLOC_WILL_BE_REMOVED(ScheduledNavigation);
 public:
     ScheduledNavigation(double delay, Document* originDocument, bool replacesCurrentItem, bool isLocationChange)
         : m_delay(delay)
         , m_originDocument(originDocument)
         , m_replacesCurrentItem(replacesCurrentItem)
         , m_isLocationChange(isLocationChange)
-        , m_wasUserGesture(UserGestureIndicator::processingUserGesture())
+        , m_wasUserGesture(UserGestureIndicator::processingUserGestureUntracked())
     {
         if (m_wasUserGesture)
             m_userGestureToken = UserGestureIndicator::currentToken();
     }
     virtual ~ScheduledNavigation() { }
 
     virtual void fire(LocalFrame*) = 0;
 
     virtual bool shouldStartTimer(LocalFrame*) { return true; }
 
@@ skipping 222 matching lines @@
 
     // We want a new back/forward list item if the refresh timeout is > 1 second.
     if (!m_redirect || delay <= m_redirect->delay())
         schedule(ScheduledRedirect::create(delay, m_frame->document(), url, delay <= 1));
 }
 
 bool NavigationScheduler::mustReplaceCurrentItem(LocalFrame* targetFrame)
 {
     // Non-user navigation before the page has finished firing onload should not create a new back/forward item.
     // See https://webkit.org/b/42861 for the original motivation for this.
-    if (!UserGestureIndicator::processingUserGesture() && !targetFrame->document()->loadEventFinished())
+    if (!targetFrame->document()->loadEventFinished() && !UserGestureIndicator::processingUserGesture())
         return true;
 
     // Navigation of a subframe during loading of an ancestor frame does not create a new back/forward item.
     // The definition of "during load" is any time before all handlers for the load event have been run.
     // See https://bugs.webkit.org/show_bug.cgi?id=14957 for the original motivation for this.
     Frame* parentFrame = targetFrame->tree().parent();
     return parentFrame && parentFrame->isLocalFrame() && !toLocalFrame(parentFrame)->loader().allAncestorsAreComplete();
 }
 
 void NavigationScheduler::scheduleLocationChange(Document* originDocument, const String& url, bool replacesCurrentItem)
@@ skipping 111 matching lines @@
     m_redirect.clear();
 }
 
 DEFINE_TRACE(NavigationScheduler)
 {
     visitor->trace(m_frame);
     visitor->trace(m_redirect);
 }
 
 } // namespace blink