Stop returning an empty handle from createWrapper()

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 44900c503d5a46d869bd335d49f37958e2b0c9ce..8c1c043632fe2f3c0c3b70dba4d5747165f0aaf8 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -5850,9 +5850,7 @@ v8::Local<v8::Object> Document::wrap(v8::Isolate* isolate, v8::Local<v8::Object>
     }
 
     v8::Local<v8::Object> wrapper = V8DOMWrapper::createWrapper(isolate, creationContext, wrapperType);
-    if (UNLIKELY(wrapper.IsEmpty()))
-        return wrapper;
-
+    DCHECK(!wrapper.IsEmpty());
     wrapperType->installConditionallyEnabledProperties(wrapper, isolate);
     return associateWithWrapper(isolate, wrapperType, wrapper);
 }