Reverse dependency between SkScalar.h and SkFixed.h

bench/MathBench.cpp

 /*
  * Copyright 2015 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 "SkColorPriv.h"
+#include "SkFixed.h"
 #include "SkMatrix.h"
 #include "SkPaint.h"
 #include "SkRandom.h"
 #include "SkString.h"
 
 static float sk_fsel(float pred, float result_ge, float result_lt) {
     return pred >= 0 ? result_ge : result_lt;
 }
 
 static float fast_floor(float x) {
@@ skipping 579 matching lines @@
 
 DEF_BENCH( return new FloorBench(false); )
 DEF_BENCH( return new FloorBench(true); )
 
 DEF_BENCH( return new CLZBench(false); )
 DEF_BENCH( return new CLZBench(true); )
 
 DEF_BENCH( return new NormalizeBench(); )
 
 DEF_BENCH( return new FixedMathBench(); )