Dedup SkPaths by gen-ID when going to .skp

src/core/SkPictureData.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include <new>
 #include "SkImageGenerator.h"
 #include "SkPictureData.h"
 #include "SkPictureRecord.h"
@@ skipping 28 matching lines @@
     : fInfo(info) {
 
     this->init();
 
     fOpData = record.opData(deepCopyOps);
 
     fContentInfo.set(record.fContentInfo);
 
     fBitmaps = record.fBitmaps;
     fPaints  = record.fPaints;
-    fPaths   = record.fPaths;
+
+    fPaths.reset(record.fPaths.count());
+    record.fPaths.foreach([this](const SkPath& path, int n) {
+        // These indices are logically 1-based, but we need to serialize them
+        // 0-based to keep the deserializing SkPictureData::getPath() working.
+        fPaths[n-1] = path;
+    });
 
     this->initForPlayback();
 
     const SkTDArray<const SkPicture* >& pictures = record.getPictureRefs();
     fPictureCount = pictures.count();
     if (fPictureCount > 0) {
         fPictureRefs = new const SkPicture* [fPictureCount];
         for (int i = 0; i < fPictureCount; i++) {
             fPictureRefs[i] = pictures[i];
             fPictureRefs[i]->ref();
@@ skipping 559 matching lines @@
     }
 }
 
 bool SkPictureData::suitableForLayerOptimization() const {
     return fContentInfo.numLayers() > 0;
 }
 #endif
 ///////////////////////////////////////////////////////////////////////////////