Begin to remove heap/*

sky/engine/platform/heap/ThreadState.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 282 matching lines @@
         }
     private:
         ThreadState* m_state;
     };
 
     // The set of ThreadStates for all threads attached to the Blink
     // garbage collector.
     typedef HashSet<ThreadState*> AttachedThreadStateSet;
     static AttachedThreadStateSet& attachedThreads();
 
-    // Initialize threading infrastructure. Should be called from the main
-    // thread.
-    static void init();
-    static void shutdown();
-    static void shutdownHeapIfNecessary();
     bool isTerminating() { return m_isTerminating; }
 
-    static void attachMainThread();
-    static void detachMainThread();
-
     // Trace all persistent roots, called when marking the managed heap objects.
     static void visitPersistentRoots(Visitor*);
 
     // Trace all objects found on the stack, used when doing conservative GCs.
     static void visitStackRoots(Visitor*);
 
     // Associate ThreadState object with the current thread. After this
     // call thread can start using the garbage collected heap infrastructure.
     // It also has to periodically check for safepoints.
     static void attach();
@@ skipping 518 matching lines @@
     // whether the page is part of a terminting thread or
     // if the page is traced after being terminated (orphaned).
     uintptr_t m_terminating : 1;
     uintptr_t m_tracedAfterOrphaned : 1;
     uintptr_t m_promptlyFreedSize : 17; // == blinkPageSizeLog2
 };
 
 }
 
 #endif // ThreadState_h