Revert of Add SkRacy

src/core/SkPathRef.cpp

Index: src/core/SkPathRef.cpp
diff --git a/src/core/SkPathRef.cpp b/src/core/SkPathRef.cpp
index e60f618b4f656203ecf4dc7b9b6db898acc5f72e..de7a8f56ae07a8939f56a05b26f6b034a2ae5f5c 100644
--- a/src/core/SkPathRef.cpp
+++ b/src/core/SkPathRef.cpp
@@ -30,7 +30,9 @@
 //////////////////////////////////////////////////////////////////////////////
 
 SkPathRef* SkPathRef::CreateEmptyImpl() {
-    return SkNEW(SkPathRef);
+    SkPathRef* p = SkNEW(SkPathRef);
+    p->computeBounds();   // Preemptively avoid a race to clear fBoundsIsDirty.
+    return p;
 }
 
 SkPathRef* SkPathRef::CreateEmpty() {
@@ -83,13 +85,13 @@
     if (canXformBounds) {
         (*dst)->fBoundsIsDirty = false;
         if (src.fIsFinite) {
-            matrix.mapRect((*dst)->fBounds.get(), src.fBounds);
-            if (!((*dst)->fIsFinite = (*dst)->fBounds->isFinite())) {
-                (*dst)->fBounds->setEmpty();
+            matrix.mapRect(&(*dst)->fBounds, src.fBounds);
+            if (!((*dst)->fIsFinite = (*dst)->fBounds.isFinite())) {
+                (*dst)->fBounds.setEmpty();
             }
         } else {
             (*dst)->fIsFinite = false;
-            (*dst)->fBounds->setEmpty();
+            (*dst)->fBounds.setEmpty();
         }
     } else {
         (*dst)->fBoundsIsDirty = true;
@@ -439,14 +441,14 @@
     SkASSERT(this->currSize() ==
                 fFreeSpace + sizeof(SkPoint) * fPointCnt + sizeof(uint8_t) * fVerbCnt);
 
-    if (!fBoundsIsDirty && !fBounds->isEmpty()) {
+    if (!fBoundsIsDirty && !fBounds.isEmpty()) {
         bool isFinite = true;
         for (int i = 0; i < fPointCnt; ++i) {
             SkASSERT(!fPoints[i].isFinite() || (
-                     fBounds->fLeft - fPoints[i].fX   < SK_ScalarNearlyZero &&
-                     fPoints[i].fX - fBounds->fRight  < SK_ScalarNearlyZero &&
-                     fBounds->fTop  - fPoints[i].fY   < SK_ScalarNearlyZero &&
-                     fPoints[i].fY - fBounds->fBottom < SK_ScalarNearlyZero));
+                     fBounds.fLeft - fPoints[i].fX   < SK_ScalarNearlyZero &&
+                     fPoints[i].fX - fBounds.fRight  < SK_ScalarNearlyZero &&
+                     fBounds.fTop  - fPoints[i].fY   < SK_ScalarNearlyZero &&
+                     fPoints[i].fY - fBounds.fBottom < SK_ScalarNearlyZero));
             if (!fPoints[i].isFinite()) {
                 isFinite = false;
             }