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

src/ports/SkRemotableFontMgr_win_dw.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
+#include "SkDataTable.h"
 #include "SkDWrite.h"
 #include "SkDWriteFontFileStream.h"
-#include "SkDataTable.h"
 #include "SkHRESULT.h"
-#include "SkMutex.h"
 #include "SkRemotableFontMgr.h"
 #include "SkStream.h"
 #include "SkString.h"
 #include "SkTArray.h"
+#include "SkThread.h"
 #include "SkTScopedComPtr.h"
 #include "SkTypeface_win.h"
 #include "SkTypes.h"
 #include "SkUtils.h"
 
 #include <dwrite.h>
 
 class SK_API SkRemotableFontMgr_DirectWrite : public SkRemotableFontMgr {
 private:
     struct DataId {
@@ skipping 46 matching lines @@
         DataId& added = fDataIdCache.push_back();
         added.fLoader = fontFileLoaderId.release();  // Ref is passed.
         added.fKey = sk_malloc_throw(refKeySize);
         memcpy(added.fKey, refKey, refKeySize);
         added.fKeySize = refKeySize;
 
         return i;
     }
 
 public:
-
+    
 
     /** localeNameLength must include the null terminator. */
     SkRemotableFontMgr_DirectWrite(IDWriteFontCollection* fontCollection,
                                    WCHAR* localeName, int localeNameLength)
         : fFontCollection(SkRefComPtr(fontCollection))
         , fLocaleName(localeNameLength)
     {
         memcpy(fLocaleName.get(), localeName, localeNameLength * sizeof(WCHAR));
     }
 
@@ skipping 404 matching lines @@
     } else {
         localeNameLen = getUserDefaultLocaleNameProc(localeNameStorage, LOCALE_NAME_MAX_LENGTH);
         if (localeNameLen) {
             localeName = localeNameStorage;
         };
     }
 
     return SkNEW_ARGS(SkRemotableFontMgr_DirectWrite, (sysFontCollection.get(),
                                                        localeName, localeNameLen));
 }