WIP: Entry realm stack in Blink

third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 707 matching lines @@
 }
 
 LocalDOMWindow* toLocalDOMWindow(v8::Local<v8::Context> context) {
   if (context.IsEmpty())
     return 0;
   return toLocalDOMWindow(
       toDOMWindow(context->GetIsolate(), context->Global()));
 }
 
 LocalDOMWindow* enteredDOMWindow(v8::Isolate* isolate) {
+  V8PerIsolateData* perIsolateData = V8PerIsolateData::from(isolate);
   LocalDOMWindow* window =
-      toLocalDOMWindow(isolate->GetEnteredOrMicrotaskContext());
+      toLocalDOMWindow(toDOMWindow(perIsolateData->entryContext()));
   DCHECK(window);
   return window;
 }
 
 LocalDOMWindow* currentDOMWindow(v8::Isolate* isolate) {
   return toLocalDOMWindow(isolate->GetCurrentContext());
 }
 
 ExecutionContext* toExecutionContext(v8::Local<v8::Context> context) {
   if (context.IsEmpty())
@@ skipping 232 matching lines @@
   if (!v8Call(v8::JSON::Parse(isolate, v8String(isolate, stringifiedJSON)),
               parsed, tryCatch)) {
     if (tryCatch.HasCaught())
       exceptionState.rethrowV8Exception(tryCatch.Exception());
   }
 
   return parsed;
 }
 
 }  // namespace blink