Revert of experiment with zero-length round capped line segments

src/core/SkStroke.cpp

Index: src/core/SkStroke.cpp
diff --git a/src/core/SkStroke.cpp b/src/core/SkStroke.cpp
index 2db5bba524abf495a2366c525d4ef4626a732280..ede3d21055ee68a68b67775623ec268c71c117ed 100644
--- a/src/core/SkStroke.cpp
+++ b/src/core/SkStroke.cpp
@@ -120,9 +120,6 @@
     SkPathStroker(const SkPath& src,
                   SkScalar radius, SkScalar miterLimit, SkPaint::Cap,
                   SkPaint::Join, SkScalar resScale);
-
-    bool hasOnlyMoveTo() const { return 0 == fSegmentCount; }
-    SkPoint moveToPt() const { return fFirstPt; }
 
     void moveTo(const SkPoint&);
     void lineTo(const SkPoint&);
@@ -245,14 +242,7 @@
     SkScalar    prevY = fPrevPt.fY;
 
     if (!set_normal_unitnormal(fPrevPt, currPt, fRadius, normal, unitNormal)) {
-        if (SkStrokerPriv::CapFactory(SkPaint::kButt_Cap) == fCapper) {
-            return false;
-        }
-        /* Square caps and round caps draw even if the segment length is zero.
-           Since the zero length segment has no direction, set the orientation
-           to upright as the default orientation */
-        normal->set(fRadius, 0);
-        unitNormal->set(1, 0);
+        return false;
     }
 
     if (fSegmentCount == 0) {
@@ -366,8 +356,7 @@
 }
 
 void SkPathStroker::lineTo(const SkPoint& currPt) {
-    if (SkStrokerPriv::CapFactory(SkPaint::kButt_Cap) == fCapper
-            && SkPath::IsLineDegenerate(fPrevPt, currPt, false)) {
+    if (SkPath::IsLineDegenerate(fPrevPt, currPt, false)) {
         return;
     }
     SkVector    normal, unitNormal;
@@ -1345,14 +1334,6 @@
                 lastSegment = SkPath::kCubic_Verb;
                 break;
             case SkPath::kClose_Verb:
-                if (stroker.hasOnlyMoveTo() && SkPaint::kButt_Cap != this->getCap()) {
-                    /* If the stroke consists of a moveTo followed by a close, treat it
-                       as if it were followed by a zero-length line. Lines without length
-                       can have square and round end caps. */
-                    stroker.lineTo(stroker.moveToPt());
-                    lastSegment = SkPath::kLine_Verb;
-                    break;
-                }
                 stroker.close(lastSegment == SkPath::kLine_Verb);
                 break;
             case SkPath::kDone_Verb: