[Bindings] Simplify V8PrivateProperty::Symbol methods

third_party/WebKit/Source/bindings/core/v8/V0CustomElementConstructorBuilder.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V0CustomElementConstructorBuilder.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V0CustomElementConstructorBuilder.cpp b/third_party/WebKit/Source/bindings/core/v8/V0CustomElementConstructorBuilder.cpp
index 1e63be522720e7056b4f6f075b0174e57883830c..7c61f6b6bd55f30685b3e560e623edb22592dd7f 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V0CustomElementConstructorBuilder.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V0CustomElementConstructorBuilder.cpp
@@ -194,12 +194,11 @@ bool V0CustomElementConstructorBuilder::createConstructor(
 
   v8::Local<v8::Object> data = v8::Object::New(isolate);
   V8PrivateProperty::getCustomElementDocument(isolate).set(
-      context, data, ToV8(document, context->Global(), isolate));
+      data, ToV8(document, context->Global(), isolate));
   V8PrivateProperty::getCustomElementNamespaceURI(isolate).set(
-      context, data, v8String(isolate, descriptor.namespaceURI()));
-  V8PrivateProperty::getCustomElementTagName(isolate).set(context, data,
-                                                          v8TagName);
-  V8PrivateProperty::getCustomElementType(isolate).set(context, data, v8Type);
+      data, v8String(isolate, descriptor.namespaceURI()));
+  V8PrivateProperty::getCustomElementTagName(isolate).set(data, v8TagName);
+  V8PrivateProperty::getCustomElementType(isolate).set(data, v8Type);
 
   v8::Local<v8::FunctionTemplate> constructorTemplate =
       v8::FunctionTemplate::New(isolate);
@@ -240,7 +239,7 @@ bool V0CustomElementConstructorBuilder::createConstructor(
     return false;
 
   V8PrivateProperty::getCustomElementIsInterfacePrototypeObject(isolate).set(
-      context, m_prototype, v8::True(isolate));
+      m_prototype, v8::True(isolate));
   if (!v8CallBoolean(m_prototype->DefineOwnProperty(
           context, v8String(isolate, "constructor"), m_constructor,
           v8::DontEnum)))
@@ -257,7 +256,7 @@ bool V0CustomElementConstructorBuilder::prototypeIsValid(
 
   if (m_prototype->InternalFieldCount() ||
       V8PrivateProperty::getCustomElementIsInterfacePrototypeObject(isolate)
-          .hasValue(context, m_prototype)) {
+          .hasValue(m_prototype)) {
     V0CustomElementException::throwException(
         V0CustomElementException::PrototypeInUse, type, exceptionState);
     return false;
@@ -321,25 +320,24 @@ static void constructCustomElement(
     return;
   }
 
-  ScriptState* scriptState = ScriptState::current(isolate);
   v8::Local<v8::Object> data = v8::Local<v8::Object>::Cast(info.Data());
-  v8::Local<v8::Context> context = scriptState->context();
   Document* document =
       V8Document::toImpl(V8PrivateProperty::getCustomElementDocument(isolate)
-                             .get(context, data)
+                             .getOrEmpty(data)
                              .As<v8::Object>());
-  TOSTRING_VOID(V8StringResource<>, namespaceURI,
-                V8PrivateProperty::getCustomElementNamespaceURI(isolate).get(
-                    context, data));
+  TOSTRING_VOID(
+      V8StringResource<>, namespaceURI,
+      V8PrivateProperty::getCustomElementNamespaceURI(isolate).getOrEmpty(
+          data));
   TOSTRING_VOID(
       V8StringResource<>, tagName,
-      V8PrivateProperty::getCustomElementTagName(isolate).get(context, data));
+      V8PrivateProperty::getCustomElementTagName(isolate).getOrEmpty(data));
   v8::Local<v8::Value> maybeType =
-      V8PrivateProperty::getCustomElementType(isolate).get(context, data);
+      V8PrivateProperty::getCustomElementType(isolate).getOrEmpty(data);
   TOSTRING_VOID(V8StringResource<>, type, maybeType);
 
-  ExceptionState exceptionState(
-      info.GetIsolate(), ExceptionState::ConstructionContext, "CustomElement");
+  ExceptionState exceptionState(isolate, ExceptionState::ConstructionContext,
+                                "CustomElement");
   V0CustomElementProcessingStack::CallbackDeliveryScope deliveryScope;
   Element* element = document->createElementNS(
       namespaceURI, tagName,