Move VTTRegion Timers to TaskRunnerTimer

third_party/WebKit/Source/core/html/track/vtt/VTTRegion.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/ClientRect.h"
 #include "core/dom/DOMTokenList.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/html/HTMLDivElement.h"
 #include "core/html/track/vtt/VTTParser.h"
 #include "core/html/track/vtt/VTTScanner.h"
+#include "public/platform/Platform.h"
 #include "wtf/MathExtras.h"
 
 #define VTT_LOG_LEVEL 3
 
 namespace blink {
 
 // The following values default values are defined within the WebVTT Regions
 // Spec.
 // https://dvcs.w3.org/hg/text-tracks/raw-file/default/608toVTT/region.html
 
@@ skipping 31 matching lines @@
 }
 
 VTTRegion::VTTRegion()
     : m_id(emptyString),
       m_width(defaultWidth),
       m_lines(defaultHeightInLines),
       m_regionAnchor(FloatPoint(defaultAnchorPointX, defaultAnchorPointY)),
       m_viewportAnchor(FloatPoint(defaultAnchorPointX, defaultAnchorPointY)),
       m_scroll(defaultScroll),
       m_currentTop(0),
-      m_scrollTimer(this, &VTTRegion::scrollTimerFired) {}
+      m_scrollTimer(Platform::current()->currentThread()->getWebTaskRunner(),
+                    this,
+                    &VTTRegion::scrollTimerFired) {}
 
 VTTRegion::~VTTRegion() {}
 
 void VTTRegion::setId(const String& id) {
   m_id = id;
 }
 
 void VTTRegion::setWidth(double value, ExceptionState& exceptionState) {
   if (isNonPercentage(value, "width", exceptionState))
     return;
@@ skipping 305 matching lines @@
   stopTimer();
   displayLastVTTCueBox();
 }
 
 DEFINE_TRACE(VTTRegion) {
   visitor->trace(m_cueContainer);
   visitor->trace(m_regionDisplayTree);
 }
 
 }  // namespace blink