Avoid updating compositor animations in hitTest path

Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp

Index: Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp
diff --git a/Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp b/Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp
index 96cbd28a83e364b7906caa15d6adc7ab9b3b3b66..804cc7e049fde960b2aaf6a5b051e536d709ed1d 100644
--- a/Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp
+++ b/Source/core/layout/compositing/DeprecatedPaintLayerCompositor.cpp
@@ -250,6 +250,30 @@ void DeprecatedPaintLayerCompositor::updateIfNeededRecursive()
 #endif
 }
 
+void DeprecatedPaintLayerCompositor::updateLifecycleToCompositingClean()
+{
+    for (Frame* child = m_layoutView.frameView()->frame().tree().firstChild(); child; child = child->tree().nextSibling()) {
+        if (!child->isLocalFrame())
+            continue;
+        LocalFrame* localFrame = toLocalFrame(child);
+        if (localFrame->document()->isActive())
+            localFrame->contentLayoutObject()->compositor()->updateLifecycleToCompositingClean();
+    }
+
+    enableCompositingModeIfNeeded();
+
+    if (m_needsUpdateDescendantDependentFlags) {
+        updateDescendantDependentFlagsForEntireSubtree(*rootLayer());
+        m_needsUpdateDescendantDependentFlags = false;
+    }
+
+    m_layoutView.commitPendingSelection();
+
+    lifecycle().advanceTo(DocumentLifecycle::InCompositingUpdate);
+    updateIfNeeded();
+    lifecycle().advanceTo(DocumentLifecycle::CompositingClean);
+}
+
 void DeprecatedPaintLayerCompositor::setNeedsCompositingUpdate(CompositingUpdateType updateType)
 {
     ASSERT(updateType != CompositingUpdateNone);