Remove cached OptDrawState from GrDrawState.

src/gpu/GrOptDrawState.h

Index: src/gpu/GrOptDrawState.h
diff --git a/src/gpu/GrOptDrawState.h b/src/gpu/GrOptDrawState.h
index c32294b14bb51ad445b82f1bc34fd9b749fffcc5..945cbfb7599075118e098d2414b9eb0fbbfa1884 100644
--- a/src/gpu/GrOptDrawState.h
+++ b/src/gpu/GrOptDrawState.h
@@ -27,10 +27,8 @@ class GrDrawState;
 class GrOptDrawState : public SkRefCnt {
 public:
     /**
-     * Returns a snapshot of the current optimized state. If the current drawState has a valid
-     * cached optimiezed state it will simply return a pointer to it otherwise it will create a new
-     * GrOptDrawState. In all cases the GrOptDrawState is reffed and ownership is given to the
-     * caller.
+     * Returns a snapshot of the current optimized state. The GrOptDrawState is reffed and ownership
+     * is given to the caller.
      */
     static GrOptDrawState* Create(const GrDrawState& drawState, GrGpu*,
                                   const GrDeviceCoordTexture* dstCopy, GrGpu::DrawType drawType);