remove dead SkPersp macros

tests/PathTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkParse.h"
@@ skipping 2189 matching lines @@
         REPORTER_ASSERT(reporter, kPtCount == count);
         for (int i = 0; i < count; ++i) {
             SkPoint newPt = SkPoint::Make(pts[i].fX * 2, pts[i].fY * 3);
             REPORTER_ASSERT(reporter, newPt == pts1[i]);
         }
     }
 
     {
         SkMatrix matrix;
         matrix.reset();
-        matrix.setPerspX(SkScalarToPersp(4));
+        matrix.setPerspX(4);
 
         SkPath p1;
         p1.moveTo(SkPoint::Make(0, 0));
 
         p.transform(matrix, &p1);
         REPORTER_ASSERT(reporter, matrix.invert(&matrix));
         p1.transform(matrix, NULL);
         SkRect pBounds = p.getBounds();
         SkRect p1Bounds = p1.getBounds();
         REPORTER_ASSERT(reporter, SkScalarNearlyEqual(pBounds.fLeft, p1Bounds.fLeft));
@@ skipping 1534 matching lines @@
     test_addEmptyPath(reporter, SkPath::kAppend_AddPathMode);
     test_conicTo_special_case(reporter);
     test_get_point(reporter);
     test_contains(reporter);
     PathTest_Private::TestPathTo(reporter);
     PathRefTest_Private::TestPathRef(reporter);
     test_dump(reporter);
     test_path_crbugskia2820(reporter);
     test_skbug_3239(reporter);
 }