Flag to disable SMIL support

Source/core/svg/SVGSVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Google, Inc.
  *
  * 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.
@@ skipping 536 matching lines @@
     return new LayoutSVGViewportContainer(this);
 }
 
 Node::InsertionNotificationRequest SVGSVGElement::insertedInto(ContainerNode* rootParent)
 {
     if (rootParent->inDocument()) {
         UseCounter::count(document(), UseCounter::SVGSVGElementInDocument);
         if (rootParent->document().isXMLDocument())
             UseCounter::count(document(), UseCounter::SVGSVGElementInXMLDocument);
 
-        document().accessSVGExtensions().addTimeContainer(this);
+        if (RuntimeEnabledFeatures::smilEnabled()) {
+            document().accessSVGExtensions().addTimeContainer(this);
 
-        // Animations are started at the end of document parsing and after firing the load event,
-        // but if we miss that train (deferred programmatic element insertion for example) we need
-        // to initialize the time container here.
-        if (!document().parsing() && !document().processingLoadEvent() && document().loadEventFinished() && !timeContainer()->isStarted())
-            timeContainer()->begin();
+            // Animations are started at the end of document parsing and after firing the load event,
+            // but if we miss that train (deferred programmatic element insertion for example) we need
+            // to initialize the time container here.
+            if (!document().parsing() && !document().processingLoadEvent() && document().loadEventFinished() && !timeContainer()->isStarted())
+                timeContainer()->begin();
+        }
     }
     return SVGGraphicsElement::insertedInto(rootParent);
 }
 
 void SVGSVGElement::removedFrom(ContainerNode* rootParent)
 {
     if (rootParent->inDocument()) {
         SVGDocumentExtensions& svgExtensions = document().accessSVGExtensions();
         svgExtensions.removeTimeContainer(this);
         svgExtensions.removeSVGRootWithRelativeLengthDescendents(this);
     }
 
     SVGGraphicsElement::removedFrom(rootParent);
 }
 
 void SVGSVGElement::pauseAnimations()
 {
+    ASSERT(RuntimeEnabledFeatures::smilEnabled());
     if (!m_timeContainer->isPaused())
         m_timeContainer->pause();
 }
 
 void SVGSVGElement::unpauseAnimations()
 {
+    ASSERT(RuntimeEnabledFeatures::smilEnabled());
     if (m_timeContainer->isPaused())
         m_timeContainer->resume();
 }
 
 bool SVGSVGElement::animationsPaused() const
 {
+    ASSERT(RuntimeEnabledFeatures::smilEnabled());
     return m_timeContainer->isPaused();
 }
 
 float SVGSVGElement::getCurrentTime() const
 {
+    ASSERT(RuntimeEnabledFeatures::smilEnabled());
     return narrowPrecisionToFloat(m_timeContainer->elapsed().value());
 }
 
 void SVGSVGElement::setCurrentTime(float seconds)
 {
+    ASSERT(RuntimeEnabledFeatures::smilEnabled());
     ASSERT(std::isfinite(seconds));
     seconds = max(seconds, 0.0f);
     m_timeContainer->setElapsed(seconds);
 }
 
 bool SVGSVGElement::selfHasRelativeLengths() const
 {
     return m_x->currentValue()->isRelative()
         || m_y->currentValue()->isRelative()
         || m_width->currentValue()->isRelative()
@@ skipping 168 matching lines @@
     visitor->trace(m_width);
     visitor->trace(m_height);
     visitor->trace(m_translation);
     visitor->trace(m_timeContainer);
     visitor->trace(m_viewSpec);
     SVGGraphicsElement::trace(visitor);
     SVGFitToViewBox::trace(visitor);
 }
 
 } // namespace blink