Stop RenderProgress timer on destruction.

Source/core/rendering/RenderProgress.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 26 matching lines @@
     , m_animationDuration(0)
     , m_animating(false)
     , m_animationTimer(this, &RenderProgress::animationTimerFired)
 {
 }
 
 RenderProgress::~RenderProgress()
 {
 }
 
+void RenderProgress::destroy()
+{
+    if (m_animating) {
+        m_animationTimer.stop();
+        m_animating = false;
+    }
+    RenderBlockFlow::destroy();
+}
+
 void RenderProgress::updateFromElement()
 {
     HTMLProgressElement* element = progressElement();
     if (m_position == element->position())
         return;
     m_position = element->position();
 
     updateAnimationState();
     setShouldDoFullPaintInvalidation(true);
     RenderBlockFlow::updateFromElement();
@@ skipping 40 matching lines @@
         return 0;
 
     if (isHTMLProgressElement(*node()))
         return toHTMLProgressElement(node());
 
     ASSERT(node()->shadowHost());
     return toHTMLProgressElement(node()->shadowHost());
 }
 
 } // namespace blink