Make GrVertexBatch objects hold their own draws during GrDrawTarget flush

src/gpu/GrReorderCommandBuilder.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrReorderCommandBuilder.h"
 
 template <class Left, class Right>
@@ skipping 87 matching lines @@
             GrBATCH_INFO("\t\tReached max lookback %d\n", i);
         }
 #endif
     }
 #if GR_BATCH_SPEW
     else {
         GrBATCH_INFO("\t\tBreaking because empty command buffer\n");
     }
 #endif
 
-    return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (batch, this->batchTarget()));
+    return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (batch));
 }