Remove ThreadHeapMode

third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp b/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
index e7dd14706adfb9ba44907aa2c1043c84d858f697..891d157191caf8663bcf66a32db235b81b79855d 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
@@ -83,8 +83,7 @@ HTMLParserThread* HTMLParserThread::shared() {
 void HTMLParserThread::postTask(std::unique_ptr<CrossThreadClosure> closure) {
   ASSERT(isMainThread());
   if (!m_thread) {
-    m_thread = WebThreadSupportingGC::create("HTMLParserThread",
-                                             BlinkGC::PerThreadHeapMode);
+    m_thread = WebThreadSupportingGC::create("HTMLParserThread");
     postTask(crossThreadBind(&HTMLParserThread::setupHTMLParserThread,
                              crossThreadUnretained(this)));
   }