use v8 Microtask Queue

Source/bindings/v8/ScriptRegexp.cpp

Index: Source/bindings/v8/ScriptRegexp.cpp
diff --git a/Source/bindings/v8/ScriptRegexp.cpp b/Source/bindings/v8/ScriptRegexp.cpp
index 0d5df307a03afd9873317bd1afcc92990dc48ed1..e8f3c5fe6bde47382caeafac20b87cdccf3469d5 100644
--- a/Source/bindings/v8/ScriptRegexp.cpp
+++ b/Source/bindings/v8/ScriptRegexp.cpp
@@ -39,7 +39,7 @@ ScriptRegexp::ScriptRegexp(const String& pattern, TextCaseSensitivity caseSensit
 {
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     v8::HandleScope handleScope(isolate);
-    v8::Context::Scope contextScope(V8PerIsolateData::from(isolate)->ensureRegexContext());
+    v8::Context::Scope contextScope(V8PerIsolateData::from(isolate)->ensureDomInJSContext());
     v8::TryCatch tryCatch;
 
     unsigned flags = v8::RegExp::kNone;
@@ -69,7 +69,7 @@ int ScriptRegexp::match(const String& string, int startFrom, int* matchLength) c
 
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     v8::HandleScope handleScope(isolate);
-    v8::Context::Scope contextScope(V8PerIsolateData::from(isolate)->ensureRegexContext());
+    v8::Context::Scope contextScope(V8PerIsolateData::from(isolate)->ensureDomInJSContext());
     v8::TryCatch tryCatch;
 
     v8::Local<v8::RegExp> regex = m_regex.newLocal(isolate);