Remove compositing trigger for CSS transitions

Source/core/rendering/compositing/CompositingReasonFinder.cpp

Index: Source/core/rendering/compositing/CompositingReasonFinder.cpp
diff --git a/Source/core/rendering/compositing/CompositingReasonFinder.cpp b/Source/core/rendering/compositing/CompositingReasonFinder.cpp
index 6013fa7f9242cf4104d79e25ad08a22d207ba3a2..1bb3c43a19924dc5907e3504f0956732403f6f23 100644
--- a/Source/core/rendering/compositing/CompositingReasonFinder.cpp
+++ b/Source/core/rendering/compositing/CompositingReasonFinder.cpp
@@ -80,9 +80,6 @@ CompositingReasons CompositingReasonFinder::directReasons(const RenderLayer* lay
     if (requiresCompositingForAnimation(renderer))
         directReasons |= CompositingReasonActiveAnimation;
 
-    if (requiresCompositingForTransition(renderer))
-        directReasons |= CompositingReasonTransitionProperty;
-
     if (requiresCompositingForFilters(renderer))
         directReasons |= CompositingReasonFilters;
 
@@ -173,21 +170,6 @@ bool CompositingReasonFinder::requiresCompositingForAnimation(RenderObject* rend
     return shouldCompositeForActiveAnimations(*renderer);
 }
 
-bool CompositingReasonFinder::requiresCompositingForTransition(RenderObject* renderer) const
-{
-    if (!(m_compositingTriggers & AnimationTrigger))
-        return false;
-
-    if (Settings* settings = m_renderView.document().settings()) {
-        if (!settings->acceleratedCompositingForTransitionEnabled())
-            return false;
-    }
-
-    return renderer->style()->transitionForProperty(CSSPropertyOpacity)
-        || renderer->style()->transitionForProperty(CSSPropertyWebkitFilter)
-        || renderer->style()->transitionForProperty(CSSPropertyWebkitTransform);
-}
-
 bool CompositingReasonFinder::requiresCompositingForFilters(RenderObject* renderer) const
 {
     if (!(m_compositingTriggers & FilterTrigger))