Remove mutex locks in SchemeRegistry

third_party/WebKit/Source/wtf/ThreadingPthreads.cpp

 /*
  * Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
  * Copyright (C) 2011 Research In Motion Limited. 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 222 matching lines @@
          atomicallyInitializedStaticMutex->locked();
 }
 
 bool isBeforeThreadCreated() {
   return !s_threadCreated;
 }
 
 void willCreateThread() {
   s_threadCreated = true;
 }
+#else
+bool isAtomicallyInitializedStaticMutexLockHeld() {
+  return false;
+}
+bool isBeforeThreadCreated() {
+  return false;
+}
+void willCreateThread() {}
 #endif
 
 }  // namespace WTF
 
 #endif  // OS(POSIX)