Shut down all threads before the main thread shuts down

third_party/WebKit/Source/modules/InitModules.cpp

Index: third_party/WebKit/Source/modules/InitModules.cpp
diff --git a/third_party/WebKit/Source/modules/InitModules.cpp b/third_party/WebKit/Source/modules/InitModules.cpp
index a0663452d2d6fd815dd0695722bc11e9dc119a0d..539c6b259c98a8660ef416e3b2d0b6bb9fb324ea 100644
--- a/third_party/WebKit/Source/modules/InitModules.cpp
+++ b/third_party/WebKit/Source/modules/InitModules.cpp
@@ -51,9 +51,12 @@ void ModulesInitializer::init()
     ASSERT(isInitialized());
 }
 
-void ModulesInitializer::terminateThreads()
+void ModulesInitializer::shutdown()
 {
+    ASSERT(isInitialized());
     DatabaseManager::terminateDatabaseThread();
+    CoreInitializer::shutdown();
+
 }
 
 } // namespace blink