[bindings] Allow dictionary and union types to be returned from static methods.

third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl

Index: third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl
diff --git a/third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl b/third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl
index a08196f104503716a4c35298048ec709440c8ace..3681457ff617e2e3b26598259dc3fa4203869a66 100644
--- a/third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl
+++ b/third_party/WebKit/Source/bindings/templates/dictionary_v8.h.tmpl
@@ -19,11 +19,16 @@ class {{v8_class}} {
 
 {{exported}}bool toV8{{cpp_class}}(const {{cpp_class}}&, v8::Local<v8::Object> dictionary, v8::Local<v8::Object> creationContext, v8::Isolate*);
 
-template<class CallbackInfo>
+template <class CallbackInfo>
 inline void v8SetReturnValue(const CallbackInfo& callbackInfo, {{cpp_class}}& impl) {
   v8SetReturnValue(callbackInfo, ToV8(impl, callbackInfo.Holder(), callbackInfo.GetIsolate()));
 }
 
+template <class CallbackInfo>
+inline void v8SetReturnValue(const CallbackInfo& callbackInfo, {{cpp_class}}& impl, v8::Local<v8::Object> creationContext) {
+  v8SetReturnValue(callbackInfo, ToV8(impl, creationContext, callbackInfo.GetIsolate()));
+}
+
 template <>
 struct NativeValueTraits<{{cpp_class}}> {
   static {{cpp_class}} nativeValue(v8::Isolate*, v8::Local<v8::Value>, ExceptionState&);