Split TLS implementation into its own translation unit.

src/ports/SkThread_none.cpp

-
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-
 #include "SkThread.h"
-#include "SkTLS.h"
 
 int32_t sk_atomic_inc(int32_t* addr) {
     int32_t value = *addr;
     *addr = value + 1;
     return value;
 }
 
 int32_t sk_atomic_add(int32_t* addr, int32_t inc) {
     int32_t value = *addr;
     *addr = value + inc;
@@ skipping 15 matching lines @@
 void sk_membar_aquire__after_atomic_conditional_inc() { }
 
 SkMutex::SkMutex() {}
 
 SkMutex::~SkMutex() {}
 
 #ifndef SK_USE_POSIX_THREADS
 void SkMutex::acquire() {}
 void SkMutex::release() {}
 #endif
-
-//////////////////////////////////////////////////////////////////////////
-
-static void* gSpecific;
-
-void* SkTLS::PlatformGetSpecific(bool) {
-    return gSpecific;
-}
-
-void SkTLS::PlatformSetSpecific(void* ptr) {
-    gSpecific = ptr;
-}