remove SK_SUPPORT_LEGACY_ARCTO_QUADS code

src/core/SkStrokerPriv.cpp

Index: src/core/SkStrokerPriv.cpp
diff --git a/src/core/SkStrokerPriv.cpp b/src/core/SkStrokerPriv.cpp
index fbd552abfd5dc10dc79b2e29c24e210ed2b9c035..bc8e0435a1e1dbd161003694c82995ca1c1e9195 100644
--- a/src/core/SkStrokerPriv.cpp
+++ b/src/core/SkStrokerPriv.cpp
@@ -22,21 +22,6 @@ static void RoundCapper(SkPath* path, const SkPoint& pivot,
                         const SkVector& normal, const SkPoint& stop,
                         SkPath*)
 {
-#ifdef SK_SUPPORT_LEGACY_ARCTO_QUADS
-    SkScalar    px = pivot.fX;
-    SkScalar    py = pivot.fY;
-    SkScalar    nx = normal.fX;
-    SkScalar    ny = normal.fY;
-    SkScalar    sx = SkScalarMul(nx, CUBIC_ARC_FACTOR);
-    SkScalar    sy = SkScalarMul(ny, CUBIC_ARC_FACTOR);
-
-    path->cubicTo(px + nx + CWX(sx, sy), py + ny + CWY(sx, sy),
-                  px + CWX(nx, ny) + sx, py + CWY(nx, ny) + sy,
-                  px + CWX(nx, ny), py + CWY(nx, ny));
-    path->cubicTo(px + CWX(nx, ny) - sx, py + CWY(nx, ny) - sy,
-                  px - nx + CWX(sx, sy), py - ny + CWY(sx, sy),
-                  stop.fX, stop.fY);
-#else
     SkVector parallel;
     normal.rotateCW(&parallel);
 
@@ -44,7 +29,6 @@ static void RoundCapper(SkPath* path, const SkPoint& pivot,
 
     path->conicTo(projectedCenter + normal, projectedCenter, SK_ScalarRoot2Over2);
     path->conicTo(projectedCenter - normal, stop, SK_ScalarRoot2Over2);
-#endif
 }
 
 static void SquareCapper(SkPath* path, const SkPoint& pivot,
@@ -149,18 +133,6 @@ static void RoundJoiner(SkPath* outer, SkPath* inner, const SkVector& beforeUnit
     SkMatrix    matrix;
     matrix.setScale(radius, radius);
     matrix.postTranslate(pivot.fX, pivot.fY);
-#ifdef SK_SUPPORT_LEGACY_ARCTO_QUADS
-    SkPoint     pts[kSkBuildQuadArcStorage];
-    int count = SkBuildQuadArc(before, after, dir, &matrix, pts);
-    SkASSERT((count & 1) == 1);
-    if (count > 1) {
-        for (int i = 1; i < count; i += 2) {
-            outer->quadTo(pts[i].fX, pts[i].fY, pts[i+1].fX, pts[i+1].fY);
-        }
-        after.scale(radius);
-        HandleInnerJoin(inner, pivot, after);
-    }
-#else
     SkConic conics[SkConic::kMaxConicsForArc];
     int count = SkConic::BuildUnitArc(before, after, dir, &matrix, conics);
     if (count > 0) {
@@ -170,7 +142,6 @@ static void RoundJoiner(SkPath* outer, SkPath* inner, const SkVector& beforeUnit
         after.scale(radius);
         HandleInnerJoin(inner, pivot, after);
     }
-#endif
 }
 
 #define kOneOverSqrt2   (0.707106781f)