remove unused drawData

src/core/SkPicturePlayback.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkPatchUtils.h"
 #include "SkPictureData.h"
@@ skipping 174 matching lines @@
             const SkPaint* paint = fPictureData->getPaint(reader);
             const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
             const SkIRect& src = reader->skipT<SkIRect>();
             const SkRect& dst = reader->skipT<SkRect>();
             canvas->drawBitmapNine(bitmap, src, dst, paint);
         } break;
         case DRAW_CLEAR:
             canvas->clear(reader->readInt());
             break;
         case DRAW_DATA: {
+            // This opcode is now dead, just need to skip it for backwards compatibility
             size_t length = reader->readInt();
-            canvas->drawData(reader->skip(length), length);
+            (void)reader->skip(length);
             // skip handles padding the read out to a multiple of 4
         } break;
         case DRAW_DRRECT: {
             const SkPaint& paint = *fPictureData->getPaint(reader);
             SkRRect outer, inner;
             reader->readRRect(&outer);
             reader->readRRect(&inner);
             canvas->drawDRRect(outer, inner, paint);
         } break;
         case BEGIN_COMMENT_GROUP: {
@@ skipping 225 matching lines @@
         case TRANSLATE: {
             SkScalar dx = reader->readScalar();
             SkScalar dy = reader->readScalar();
             canvas->translate(dx, dy);
         } break;
         default:
             SkASSERTF(false, "Unknown draw type: %d", op);
     }
 }