Remove ThreadHeapMode

third_party/WebKit/Source/modules/webdatabase/DatabaseThread.cpp

Index: third_party/WebKit/Source/modules/webdatabase/DatabaseThread.cpp
diff --git a/third_party/WebKit/Source/modules/webdatabase/DatabaseThread.cpp b/third_party/WebKit/Source/modules/webdatabase/DatabaseThread.cpp
index dcea2941ea7ebdbf08993db4ea47e39b1a9a5758..ab29b40c08e676afc36a42dcaf9a0f2fda666787 100644
--- a/third_party/WebKit/Source/modules/webdatabase/DatabaseThread.cpp
+++ b/third_party/WebKit/Source/modules/webdatabase/DatabaseThread.cpp
@@ -60,8 +60,7 @@ void DatabaseThread::start() {
   ASSERT(isMainThread());
   if (m_thread)
     return;
-  m_thread = WebThreadSupportingGC::create("WebCore: Database",
-                                           BlinkGC::PerThreadHeapMode);
+  m_thread = WebThreadSupportingGC::create("WebCore: Database");
   m_thread->postTask(BLINK_FROM_HERE,
                      crossThreadBind(&DatabaseThread::setupDatabaseThread,
                                      wrapCrossThreadPersistent(this)));