remove dead SkPersp macros

tests/RoundRectTest.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 "SkMatrix.h"
 #include "SkRRect.h"
 #include "Test.h"
@@ skipping 415 matching lines @@
     SkMatrix matrix;
     matrix.reset();
     matrix.setSkewX(SkIntToScalar(2));
     assert_transform_failure(reporter, orig, matrix);
 
     matrix.reset();
     matrix.setSkewY(SkIntToScalar(3));
     assert_transform_failure(reporter, orig, matrix);
 
     matrix.reset();
-    matrix.setPerspX(SkScalarToPersp(SkIntToScalar(4)));
+    matrix.setPerspX(4);
     assert_transform_failure(reporter, orig, matrix);
 
     matrix.reset();
-    matrix.setPerspY(SkScalarToPersp(SkIntToScalar(5)));
+    matrix.setPerspY(5);
     assert_transform_failure(reporter, orig, matrix);
 
     // Rotation fails.
     matrix.reset();
     matrix.setRotate(SkIntToScalar(90));
     assert_transform_failure(reporter, orig, matrix);
     matrix.setRotate(SkIntToScalar(37));
     assert_transform_failure(reporter, orig, matrix);
 
     // Translate will keep the rect moved, but otherwise the same.
@@ skipping 34 matching lines @@
     }
     // Width and height remain the same.
     REPORTER_ASSERT(reporter, orig.rect().width() == dst.rect().width());
     REPORTER_ASSERT(reporter, orig.rect().height() == dst.rect().height());
     // Right and left have swapped (sort of)
     REPORTER_ASSERT(reporter, orig.rect().right() == -dst.rect().left());
     // Top has stayed the same.
     REPORTER_ASSERT(reporter, orig.rect().top() == dst.rect().top());
 
     // Keeping the scale, but adding a persp will make transform fail.
-    matrix.setPerspX(SkScalarToPersp(SkIntToScalar(7)));
+    matrix.setPerspX(7);
     assert_transform_failure(reporter, orig, matrix);
 
     // Scaling in -y will flip the round rect vertically.
     matrix.reset();
     matrix.setScaleY(SkIntToScalar(-1));
     dst.setEmpty();
     success = orig.transform(matrix, &dst);
     REPORTER_ASSERT(reporter, success);
     {
         GET_RADII;
@@ skipping 109 matching lines @@
     test_round_rect_basic(reporter);
     test_round_rect_rects(reporter);
     test_round_rect_ovals(reporter);
     test_round_rect_general(reporter);
     test_round_rect_iffy_parameters(reporter);
     test_inset(reporter);
     test_round_rect_contains_rect(reporter);
     test_round_rect_transform(reporter);
     test_issue_2696(reporter);
 }