Reverse dependency between SkScalar.h and SkFixed.h

src/core/SkLinearBitmapPipeline_sample.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkLinearBitmapPipeline_sampler_DEFINED
 #define SkLinearBitmapPipeline_sampler_DEFINED
 
+#include "SkFixed.h"
 #include "SkLinearBitmapPipeline_core.h"
 #include <array>
 #include <tuple>
 
 namespace {
 // Explaination of the math:
 //              1 - x      x
 //           +--------+--------+
 //           |        |        |
 //  1 - y    |  px00  |  px10  |
@@ skipping 703 matching lines @@
     SkAutoMalloc         fColorTableStorage{kColorTableSize};
     Sk4f*                fColorTable;
 };
 
 using PixelIndex8SRGB = PixelIndex8<kSRGB_SkColorProfileType>;
 using PixelIndex8LRGB = PixelIndex8<kLinear_SkColorProfileType>;
 
 }  // namespace
 
 #endif  // SkLinearBitmapPipeline_sampler_DEFINED