gin: Bug fix: Fix CreateHandle to return an emtpy handle in some extreme cases

gin/handle.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GIN_HANDLE_H_
 #define GIN_HANDLE_H_
 
 #include "gin/converter.h"
 
 namespace gin {
@@ skipping 42 matching lines @@
     }
     *out = gin::Handle<T>(val, object);
     return true;
   }
 };
 
 // This function is a convenient way to create a handle from a raw pointer
 // without having to write out the type of the object explicitly.
 template<typename T>
 gin::Handle<T> CreateHandle(v8::Isolate* isolate, T* object) {
-  return gin::Handle<T>(object->GetWrapper(isolate), object);
+  v8::Handle<v8::Object> wrapper = object->GetWrapper(isolate);
+  if (wrapper.IsEmpty())
+    return gin::Handle<T>();
+  return gin::Handle<T>(wrapper, object);
 }
 
 }  // namespace gin
 
 #endif  // GIN_HANDLE_H_