Revert "Revert "begin to remove SkLONGLONG and wean Skia off of Sk64""

src/core/Sk64.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 "Sk64.h"
 #include "SkMathPriv.h"
 
@@ skipping 267 matching lines @@
         {
             sqr -= testDiv;
             root++;
         }
     } while (--count >= 0);
     SkASSERT((int32_t)root >= 0);
 
     return root;
 }
 
-#ifdef SkLONGLONG
-    SkLONGLONG Sk64::getLongLong() const
-    {
-        SkLONGLONG value = fHi;
-        value <<= 32;
-        return value | fLo;
-    }
-#endif