Revert of Speeup hairline curves (quads and cubics) (patchset #7 id:120001 of https://codereview.chromium.org/1078413003/)

Reason for revert:
Crazy failings in chrome tests
http://build.chromium.org/p/client.skia/builders/Linux%20Tests/builds/1862

Original issue's description:
> Speeup hairline curves (quads and cubics)
>
> /skia/trunk> cat ../old.txt
> maxrss	loops	min	median	mean	max	stddev	samples   	config	bench
>    9M	1	4.28ms	4.32ms	4.36ms	4.67ms	3%	▄▁▁▃▂▂▁▁▂█	8888	path_hairline_small_AA_cubic
>    9M	1	743µs	767µs	770µs	825µs	4%	▃▃▇▃▁▁▅▁█▁	8888	path_hairline_small_AA_conic
>    9M	1	533µs	606µs	598µs	680µs	9%	▁▂▂█▆▇▇▄▂▂	8888	path_hairline_small_AA_quad
>    9M	1	451µs	452µs	456µs	495µs	3%	▁▁▁▁█▁▁▁▁▁	8888	path_hairline_small_AA_line
>
> /skia/trunk> cat ../new.txt
> maxrss	loops	min	median	mean	max	stddev	samples   	config	bench
>    9M	1	827µs	827µs	831µs	869µs	2%	▁▁▁▁▁▁▁█▁▁	8888	path_hairline_small_AA_cubic
>    9M	1	515µs	517µs	517µs	518µs	0%	▇█▆▅▃▃▁▁▁▅	8888	path_hairline_small_AA_conic
>    9M	1	310µs	311µs	315µs	332µs	2%	▂▁█▆▁▁▁▁▁▁	8888	path_hairline_small_AA_quad
>    9M	1	254µs	254µs	258µs	276µs	3%	▁▁▁▁▁▁▁█▇▂	8888	path_hairline_small_AA_line
>
> Edited revert of https://codereview.chromium.org/1085013003
>
> TBR=
>
> Expectations:
> - no effect on chrome, as it is guarded
> - lots of tiny rebaselines for skia

TBR=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1092483003

1 files changed, 0 insertions, 26 deletions

diff --git a/src/core/SkGeometry.h b/src/core/SkGeometry.h
index 9ddd91f750..bafde61155 100644
--- a/src/core/SkGeometry.h
+++ b/src/core/SkGeometry.h
@@ -9,22 +9,6 @@
 #define SkGeometry_DEFINED
 
 #include "SkMatrix.h"
-#include "SkNx.h"
-
-static inline Sk2s from_point(const SkPoint& point) {
-    return Sk2s::Load(&point.fX);
-}
-
-static inline SkPoint to_point(const Sk2s& x) {
-    SkPoint point;
-    x.store(&point.fX);
-    return point;
-}
-
-static inline Sk2s sk2s_cubic_eval(const Sk2s& A, const Sk2s& B, const Sk2s& C, const Sk2s& D,
-                                   const Sk2s& t) {
-    return ((A * t + B) * t + C) * t + D;
-}
 
 /** Given a quadratic equation Ax^2 + Bx + C = 0, return 0, 1, 2 roots for the
     equation.
@@ -41,16 +25,6 @@ SkPoint SkEvalQuadTangentAt(const SkPoint src[3], SkScalar t);
 */
 void SkEvalQuadAt(const SkPoint src[3], SkScalar t, SkPoint* pt, SkVector* tangent = NULL);
 
-/**
- *  output is : eval(t) == coeff[0] * t^2 + coeff[1] * t + coeff[2]
- */
-void SkQuadToCoeff(const SkPoint pts[3], SkPoint coeff[3]);
-
-/**
- *  output is : eval(t) == coeff[0] * t^3 + coeff[1] * t^2 + coeff[2] * t + coeff[3]
- */
-void SkCubicToCoeff(const SkPoint pts[4], SkPoint coeff[4]);
-
 /** Given a src quadratic bezier, chop it at the specified t value,
     where 0 < t < 1, and return the two new quadratics in dst:
     dst[0..2] and dst[2..4]