Remove include of stdlib.h from SkTypes.h.

bench/SortBench.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 #include "SkRandom.h"
 #include "SkString.h"
 #include "SkTSort.h"
 
+#include <stdlib.h>
+
 static const int N = 1000;
 
 static void rand_proc(int array[N]) {
     SkRandom rand;
     for (int i = 0; i < N; ++i) {
         array[i] = rand.nextS();
     }
 }
 
 static void randN_proc(int array[N]) {
@@ skipping 140 matching lines @@
 DEF_BENCH( return NewSkHeap(kFore); )
 DEF_BENCH( return NewQSort(kFore); )
 
 DEF_BENCH( return NewSkQSort(kBack); )
 DEF_BENCH( return NewSkHeap(kBack); )
 DEF_BENCH( return NewQSort(kBack); )
 
 DEF_BENCH( return NewSkQSort(kSame); )
 DEF_BENCH( return NewSkHeap(kSame); )
 DEF_BENCH( return NewQSort(kSame); )