use v8 Microtask Queue

Source/bindings/v8/ScriptRegexp.cpp

 /*
  * Copyright (C) 2004, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Collabora Ltd.
  * Copyright (C) 2011 Peter Varga (pvarga@webkit.org), University of Szeged
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 21 matching lines @@
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8PerIsolateData.h"
 #include "bindings/v8/V8RecursionScope.h"
 
 namespace WebCore {
 
 ScriptRegexp::ScriptRegexp(const String& pattern, TextCaseSensitivity caseSensitivity, MultilineMode multilineMode)
 {
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     v8::HandleScope handleScope(isolate);
-    v8::Local<v8::Context> context = V8PerIsolateData::from(isolate)->ensureRegexContext();
+    v8::Local<v8::Context> context = V8PerIsolateData::from(isolate)->ensureDomInJSContext();
     v8::Context::Scope scope(context);
 
     unsigned flags = v8::RegExp::kNone;
     if (caseSensitivity == TextCaseInsensitive)
         flags |= v8::RegExp::kIgnoreCase;
     if (multilineMode == MultilineEnabled)
         flags |= v8::RegExp::kMultiline;
 
     v8::TryCatch tryCatch;
     v8::Local<v8::RegExp> regex = v8::RegExp::New(v8String(context->GetIsolate(), pattern), static_cast<v8::RegExp::Flags>(flags));
@@ skipping 10 matching lines @@
 
     if (m_regex.isEmpty() || string.isNull())
         return -1;
 
     // v8 strings are limited to int.
     if (string.length() > INT_MAX)
         return -1;
 
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     v8::HandleScope handleScope(isolate);
-    v8::Local<v8::Context> context = V8PerIsolateData::current()->ensureRegexContext();
+    v8::Local<v8::Context> context = V8PerIsolateData::current()->ensureDomInJSContext();
     v8::Context::Scope scope(context);
     v8::TryCatch tryCatch;
 
     V8RecursionScope::MicrotaskSuppression microtaskScope;
 
     v8::Local<v8::RegExp> regex = m_regex.newLocal(isolate);
     v8::Local<v8::Function> exec = regex->Get(v8AtomicString(isolate, "exec")).As<v8::Function>();
 
     v8::Handle<v8::Value> argv[] = { v8String(context->GetIsolate(), string.substring(startFrom)) };
     v8::Local<v8::Value> returnValue = exec->Call(regex, 1, argv);
@@ skipping 13 matching lines @@
 
     if (matchLength) {
         v8::Local<v8::String> match = result->Get(0).As<v8::String>();
         *matchLength = match->Length();
     }
 
     return matchOffset + startFrom;
 }
 
 } // namespace WebCore