Change [ConstructorCallWith={Document => ExecutionContext}]

Source/bindings/templates/methods.cpp

Index: Source/bindings/templates/methods.cpp
diff --git a/Source/bindings/templates/methods.cpp b/Source/bindings/templates/methods.cpp
index b4915e5797726c4a1550bdd833262039af5a135d..a4e8b540fff92390e27aff9b3d2591d926c17896 100644
--- a/Source/bindings/templates/methods.cpp
+++ b/Source/bindings/templates/methods.cpp
@@ -496,9 +496,6 @@ static void constructor{{constructor.overload_index}}(const v8::FunctionCallback
     {% if is_constructor_call_with_execution_context %}
     ExecutionContext* executionContext = currentExecutionContext(isolate);
     {% endif %}
-    {% if is_constructor_call_with_document %}
-    Document& document = *toDocument(currentExecutionContext(isolate));
-    {% endif %}
     {{constructor.cpp_type}} impl = {{constructor.cpp_value}};
     {% if is_constructor_raises_exception %}
     if (exceptionState.throwIfNeeded())
@@ -540,9 +537,10 @@ static void {{v8_class}}ConstructorCallback(const v8::FunctionCallbackInfo<v8::V
         return;
     }
 
-    Document* documentPtr = currentDOMWindow(isolate)->document();
+    ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
+
+    Document* documentPtr = toDocument(executionContext);
     ASSERT(documentPtr);
-    Document& document = *documentPtr;
 
     // Make sure the document is added to the DOM Node map. Otherwise, the {{cpp_class}} instance
     // may end up being the only node in the map and get garbage-collected prematurely.