Use-count when SMIL animation renders a frame

third_party/WebKit/Source/core/svg/animation/SMILTimeContainer.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 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/svg/animation/SMILTimeContainer.h"
 
 #include "core/animation/AnimationClock.h"
 #include "core/animation/AnimationTimeline.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
+#include "core/frame/UseCounter.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/animation/SVGSMILElement.h"
 #include <algorithm>
 
 namespace blink {
 
 static const double initialFrameDelay = 0.025;
 static const double animationPolicyOnceDuration = 3.000;
 
 SMILTimeContainer::SMILTimeContainer(SVGSVGElement& owner)
@@ skipping 462 matching lines @@
     std::sort(animationsToApply.begin(), animationsToApply.end(), PriorityCompare(elapsed));
 
     unsigned animationsToApplySize = animationsToApply.size();
     if (!animationsToApplySize) {
 #if ENABLE(ASSERT)
         m_preventScheduledAnimationsChanges = false;
 #endif
         return earliestFireTime;
     }
 
+    UseCounter::count(&document(), UseCounter::SVGSMILAnimationAppliedEffect);
+
     // Apply results to target elements.
     for (unsigned i = 0; i < animationsToApplySize; ++i)
         animationsToApply[i]->applyResultsToTarget();
 
 #if ENABLE(ASSERT)
     m_preventScheduledAnimationsChanges = false;
 #endif
 
     for (unsigned i = 0; i < animationsToApplySize; ++i) {
         if (animationsToApply[i]->isConnected() && animationsToApply[i]->isSVGDiscardElement()) {
@@ skipping 18 matching lines @@
     setElapsed(elapsed().value() + initialFrameDelay);
 }
 
 DEFINE_TRACE(SMILTimeContainer)
 {
     visitor->trace(m_scheduledAnimations);
     visitor->trace(m_ownerSVGElement);
 }
 
 } // namespace blink