remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floats

bench/MorphologyBench.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBenchmark.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
@@ skipping 66 matching lines @@
                 paint.setImageFilter(mf)->unref();
             }
             canvas->drawOval(r, paint);
         }
     }
 
 private:
     typedef SkBenchmark INHERITED;
 };
 
-// Fixed point can be 100x slower than float on these tests, causing
-// bench to timeout.
-#ifndef SK_SCALAR_IS_FIXED
 DEF_BENCH( return new MorphologyBench(SMALL, kErode_MT); )
 DEF_BENCH( return new MorphologyBench(SMALL, kDilate_MT); )
 
 DEF_BENCH( return new MorphologyBench(BIG, kErode_MT); )
 DEF_BENCH( return new MorphologyBench(BIG, kDilate_MT); )
 
 DEF_BENCH( return new MorphologyBench(REAL, kErode_MT); )
 DEF_BENCH( return new MorphologyBench(REAL, kDilate_MT); )
 
 DEF_BENCH( return new MorphologyBench(0, kErode_MT); )
-#endif