Use WTF ASSERT in AXNodeObject.cpp.

Source/modules/accessibility/AXNodeObject.cpp

Index: Source/modules/accessibility/AXNodeObject.cpp
diff --git a/Source/modules/accessibility/AXNodeObject.cpp b/Source/modules/accessibility/AXNodeObject.cpp
index fe3d6ed2bc2e045e42a33b499007d597a5b7d4b3..487a99f55861c0ee4bb1ed9a0b2e664a9af591bb 100644
--- a/Source/modules/accessibility/AXNodeObject.cpp
+++ b/Source/modules/accessibility/AXNodeObject.cpp
@@ -1805,7 +1805,7 @@ String AXNodeObject::textAlternative(bool recursive, bool inAriaLabelledByTraver
 {
     // If nameSources is non-null, nameObjects is used in filling it in, so it must be non-null as well.
     if (nameSources)
-        assert(nameObjects);
+        ASSERT(nameObjects);
 
     bool alreadyVisited = visited.contains(this);
     bool foundTextAlternative = false;
@@ -2516,7 +2516,7 @@ String AXNodeObject::nativeTextAlternative(AXObjectSet& visited, AXNameFrom& nam
 
     // If nameSources is non-null, nameObjects is used in filling it in, so it must be non-null as well.
     if (nameSources)
-        assert(nameObjects);
+        ASSERT(nameObjects);
 
     String textAlternative;
     AXObjectVector localNameObjects;