[Bindings] Move some private symbols from V8HiddenValue to V8PrivateProperty

third_party/WebKit/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp

Index: third_party/WebKit/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp b/third_party/WebKit/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp
index bf00ad2f1470477e52ea16e9177e47f4ba5fe191..1b6c76773dc97f82b92b200d24793c0d01309dc4 100644
--- a/third_party/WebKit/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp
@@ -31,8 +31,8 @@
 #include "bindings/core/v8/V8MessageChannel.h"
 
 #include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8HiddenValue.h"
 #include "bindings/core/v8/V8MessagePort.h"
+#include "bindings/core/v8/V8PrivateProperty.h"
 #include "core/dom/MessageChannel.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "wtf/RefPtr.h"
@@ -41,8 +41,9 @@ namespace blink {
 
 void V8MessageChannel::constructorCustom(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
-  ExecutionContext* context = currentExecutionContext(info.GetIsolate());
+  v8::Isolate* isolate = info.GetIsolate();
 
+  ExecutionContext* context = currentExecutionContext(isolate);
   MessageChannel* channel = MessageChannel::create(context);
 
   v8::Local<v8::Object> wrapper = info.Holder();
@@ -50,17 +51,15 @@ void V8MessageChannel::constructorCustom(
   // Create references from the MessageChannel wrapper to the two
   // MessagePort wrappers to make sure that the MessagePort wrappers
   // stay alive as long as the MessageChannel wrapper is around.
-  ScriptState* scriptState = ScriptState::current(info.GetIsolate());
-  V8HiddenValue::setHiddenValue(
-      scriptState, wrapper, V8HiddenValue::port1(info.GetIsolate()),
-      ToV8(channel->port1(), info.Holder(), info.GetIsolate()));
-  V8HiddenValue::setHiddenValue(
-      scriptState, wrapper, V8HiddenValue::port2(info.GetIsolate()),
-      ToV8(channel->port2(), info.Holder(), info.GetIsolate()));
+  V8PrivateProperty::getMessageChannelPort1(isolate).set(
+      isolate->GetCurrentContext(), wrapper,
+      ToV8(channel->port1(), wrapper, isolate));
+  V8PrivateProperty::getMessageChannelPort2(isolate).set(
+      isolate->GetCurrentContext(), wrapper,
+      ToV8(channel->port2(), wrapper, isolate));
 
-  v8SetReturnValue(info,
-                   V8DOMWrapper::associateObjectWithWrapper(
-                       info.GetIsolate(), channel, &wrapperTypeInfo, wrapper));
+  v8SetReturnValue(info, V8DOMWrapper::associateObjectWithWrapper(
+                             isolate, channel, &wrapperTypeInfo, wrapper));
 }
 
 }  // namespace blink