Revert of r13379 (Move fLastMoveToIndex from SkPath to SkPathRef)

include/core/SkPathRef.h

Index: include/core/SkPathRef.h
===================================================================
--- include/core/SkPathRef.h	(revision 13420)
+++ include/core/SkPathRef.h	(working copy)
@@ -104,13 +104,6 @@
 
         void setBounds(const SkRect& rect) { fPathRef->setBounds(rect); }
 
-        // In some cases we need to inject a leading moveTo before we add points
-        // for lineTo, quadTo, conicTo, cubicTo
-        //
-        // SkPath path; path.lineTo(...);   <--- need a leading moveTo(0, 0)
-        // SkPath path; ... path.close(); path.lineTo(...) <-- need a moveTo(previous moveTo)
-        void injectMoveToIfNeeded() { fPathRef->injectMoveToIfNeeded(); }
-
     private:
         SkPathRef* fPathRef;
     };
@@ -261,9 +254,6 @@
     uint32_t genID() const;
 
 private:
-    // flag to require a moveTo if we begin with something else, like lineTo etc.
-    static const int kINITIAL_LASTMOVETOINDEX_VALUE = ~0;
-
     enum SerializationOffsets {
         kIsFinite_SerializationShift = 25,  // requires 1 bit
         kIsOval_SerializationShift = 24,    // requires 1 bit
@@ -271,7 +261,6 @@
     };
 
     SkPathRef() {
-        fLastMoveToIndex = kINITIAL_LASTMOVETOINDEX_VALUE;
         fBoundsIsDirty = true;    // this also invalidates fIsFinite
         fPointCnt = 0;
         fVerbCnt = 0;
@@ -359,8 +348,6 @@
         SkDEBUGCODE(this->validate();)
     }
 
-    void injectMoveToIfNeeded();
-
     /**
      * Increases the verb count by numVbs and point count by the required amount.
      * The new points are uninitialized. All the new verbs are set to the specified
@@ -446,7 +433,6 @@
     };
 
     mutable SkRect      fBounds;
-    int                 fLastMoveToIndex;
     uint8_t             fSegmentMask;
     mutable uint8_t     fBoundsIsDirty;
     mutable SkBool8     fIsFinite;    // only meaningful if bounds are valid