Reverse dependency between SkScalar.h and SkFixed.h

src/fonts/SkTestScalerContext.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTestScalerContext_DEFINED
 #define SkTestScalerContext_DEFINED
 
+#include "SkFixed.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkRefCnt.h"
 #include "SkTDArray.h"
 #include "SkTypeface.h"
 
 class SkTestFont;
 
 struct SkTestFontData {
     const SkScalar* fPoints;
@@ skipping 82 matching lines @@
         return 0;
     }
 private:
     SkTestFont* fTestFont;
     friend class SkTestScalerContext;
 };
 
 SkTypeface* CreateTestTypeface(const char* name, SkTypeface::Style style);
 
 #endif