Adding release method to SkWriter32 and using it to not copy the ops data from SkPictureRecord to S…

src/core/SkPictureRecord.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureRecord_DEFINED
 #define SkPictureRecord_DEFINED
 
@@ skipping 81 matching lines @@
                                  SkScalar minY, SkScalar maxY);
 
     const SkTDArray<SkPicture* >& getPictureRefs() const {
         return fPictureRefs;
     }
 
     void setFlags(uint32_t recordFlags) {
         fRecordFlags = recordFlags;
     }
 
-    const SkWriter32& writeStream() const {
+    SkWriter32& writeStream() {
         return fWriter;
     }
 
     void beginRecording();
     void endRecording();
 
 private:
     void handleOptimization(int opt);
     int recordRestoreOffsetPlaceholder(SkRegion::Op);
     void fillRestoreOffsetPlaceholdersForCurrentStackLevel(uint32_t restoreOffset);
@@ skipping 161 matching lines @@
     uint32_t fRecordFlags;
     int fInitialSaveCount;
 
     friend class SkPicturePlayback;
     friend class SkPictureTester; // for unit testing
 
     typedef SkCanvas INHERITED;
 };
 
 #endif