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 c69d7744ace2149ca0cdc605587c3fe35b163ff4..346d7f8abe4a403b928d17b65b006bc26242a4fb 100644
--- a/Source/core/events/EventPath.cpp
+++ b/Source/core/events/EventPath.cpp
@@ -312,7 +312,7 @@ 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();
@@ -337,7 +337,7 @@ 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)