Revert of Remove SkThread.h, include SkMutex.h or SkAtomics.h as appropriate.

src/core/SkTLS.cpp

-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
 #include "SkTLS.h"
 
 // enable to help debug TLS storage
 //#define SK_TRACE_TLS_LIFETIME
 
 
 #ifdef SK_TRACE_TLS_LIFETIME
-    #include "SkAtomics.h"
+    #include "SkThread.h"
     static int32_t gTLSRecCount;
 #endif
 
 struct SkTLSRec {
     SkTLSRec*           fNext;
     void*               fData;
     SkTLS::CreateProc   fCreateProc;
     SkTLS::DeleteProc   fDeleteProc;
 
 #ifdef SK_TRACE_TLS_LIFETIME
@@ skipping 95 matching lines @@
                 // we have a new head of our chain
                 SkTLS::PlatformSetSpecific(next);
             }
             SkDELETE(curr);
             break;
         }
         prev = curr;
         curr = next;
     }
 }