Allow assertions to be enabled in Blink Release builds.

Source/core/events/EventPath.cpp

Index: Source/core/events/EventPath.cpp
diff --git a/Source/core/events/EventPath.cpp b/Source/core/events/EventPath.cpp
index 2e4480f4a6ed7c84d5f5960c9eb5e76675f1cd32..a2cdce8a9e990624d715e93b0611b192ed2e955d 100644
--- a/Source/core/events/EventPath.cpp
+++ b/Source/core/events/EventPath.cpp
@@ -313,7 +313,7 @@ void EventPath::adjustForTouchEvent(Node* node, TouchEvent& touchEvent)
     adjustTouchList(node, touchEvent.targetTouches(), adjustedTargetTouches, treeScopes);
     adjustTouchList(node, touchEvent.changedTouches(), adjustedChangedTouches, treeScopes);
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
     for (size_t i = 0; i < m_treeScopeEventContexts.size(); ++i) {
         TreeScope& treeScope = m_treeScopeEventContexts[i]->treeScope();
         TouchEventContext* touchEventContext = m_treeScopeEventContexts[i]->touchEventContext();
@@ -338,7 +338,7 @@ void EventPath::adjustTouchList(const Node* node, const TouchList* touchList, Wi
     }
 }
 
-#ifndef NDEBUG
+#if ENABLE(ASSERT)
 void EventPath::checkReachability(TreeScope& treeScope, TouchList& touchList)
 {
     for (size_t i = 0; i < touchList.length(); ++i)