Stricter user gestures for touch - measure and warn

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

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 28 matching lines @@
 static const double oneMillisecond = 0.001;
 // Chromium uses a minimum timer interval of 4ms. We'd like to go
 // lower; however, there are poorly coded websites out there which do
 // create CPU-spinning loops.  Using 4ms prevents the CPU from
 // spinning too busily and provides a balance between CPU spinning and
 // the smallest possible interval timer.
 static const double minimumInterval = 0.004;
 
 static inline bool shouldForwardUserGesture(int interval, int nestingLevel)
 {
-    return UserGestureIndicator::processingUserGesture()
+    return UserGestureIndicator::processingUserGestureUntracked()
         && interval <= maxIntervalForUserGestureForwarding
         && nestingLevel == 1; // Gestures should not be forwarded to nested timers.
 }
 
 int DOMTimer::install(ExecutionContext* context, RawPtr<ScheduledAction> action, int timeout, bool singleShot)
 {
     int timeoutID = context->timers()->installNewTimeout(context, action, timeout, singleShot);
     TRACE_EVENT_INSTANT1("devtools.timeline", "TimerInstall", TRACE_EVENT_SCOPE_THREAD, "data", InspectorTimerInstallEvent::data(context, timeoutID, timeout, singleShot));
     InspectorInstrumentation::didInstallTimer(context, timeoutID, timeout, singleShot);
     return timeoutID;
@@ skipping 95 matching lines @@
     return getExecutionContext()->timers()->timerTaskRunner();
 }
 
 DEFINE_TRACE(DOMTimer)
 {
     visitor->trace(m_action);
     SuspendableTimer::trace(visitor);
 }
 
 } // namespace blink