Implement Image::maybeAnimated for SVGImage

third_party/WebKit/Source/core/svg/graphics/SVGImageChromeClient.cpp

 /*
  * Copyright (C) 2012 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
@@ skipping 45 matching lines @@
 }
 
 void SVGImageChromeClient::invalidateRect(const IntRect& r) {
   // If m_image->m_page is null, we're being destructed, don't fire
   // changedInRect() in that case.
   if (m_image && m_image->getImageObserver() && m_image->m_page)
     m_image->getImageObserver()->changedInRect(m_image, r);
 }
 
 void SVGImageChromeClient::suspendAnimation() {
-  if (m_image->hasAnimations()) {
+  if (m_image->maybeAnimated()) {
     m_timelineState = SuspendedWithAnimationPending;
   } else {
     // Preserve SuspendedWithAnimationPending if set.
     m_timelineState = std::max(m_timelineState, Suspended);
   }
 }
 
 void SVGImageChromeClient::resumeAnimation() {
   bool havePendingAnimation = m_timelineState == SuspendedWithAnimationPending;
   m_timelineState = Running;
@@ skipping 11 matching lines @@
   // run this fake animation timer to trigger layout in SVGImages. The name,
   // "animationTimer", is to match the new requestAnimationFrame-based layout
   // approach.
   if (m_animationTimer->isActive())
     return;
   // Schedule the 'animation' ASAP if the image does not contain any
   // animations, but prefer a fixed, jittery, frame-delay if there're any
   // animations. Checking for pending/active animations could be more
   // stringent.
   double fireTime = 0;
-  if (m_image->hasAnimations()) {
+  if (m_image->maybeAnimated()) {
     if (m_timelineState >= Suspended)
       return;
     fireTime = animationFrameDelay;
   }
   m_animationTimer->startOneShot(fireTime, BLINK_FROM_HERE);
 }
 
 void SVGImageChromeClient::setTimer(std::unique_ptr<TimerBase> timer) {
   m_animationTimer = std::move(timer);
 }
 
 void SVGImageChromeClient::animationTimerFired(TimerBase*) {
   if (!m_image)
     return;
 
   // The SVGImageChromeClient object's lifetime is dependent on
   // the ImageObserver (an ImageResourceContent) of its image. Should it
   // be dead and about to be lazily swept out, do not proceed.
   //
   // TODO(Oilpan): move (SVG)Image to the Oilpan heap, and avoid
   // this explicit lifetime check.
   if (ThreadHeap::willObjectBeLazilySwept(m_image->getImageObserver()))
     return;
 
   m_image->serviceAnimations(monotonicallyIncreasingTime());
 }
 
 }  // namespace blink