Ensure blob typeface information survives SkGPipe serialization.

src/core/SkPtrRecorder.h

 
 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkPtrSet_DEFINED
@@ skipping 40 matching lines @@
      *  incPtr() and decPtr() are not called during this operation.
      */
     void copyToArray(void* array[]) const;
 
     /**
      *  Call decPtr() on each ptr in the set, and the reset the size of the set
      *  to 0.
      */
     void reset();
 
+    /**
+     * Set iterator.
+     */
+    class Iter {
+    public:
+        Iter(const SkPtrSet& set)
+            : fSet(set)
+            , fIndex(0) {}
+
+        /**
+         * Return the next ptr in the set or null if the end was reached.
+         */
+        void* next() {
+            return fIndex < fSet.fList.count() ? fSet.fList[fIndex++].fPtr : NULL;
+        }
+
+    private:
+        const SkPtrSet& fSet;
+        int             fIndex;
+    };
+
 protected:
     virtual void incPtr(void*) {}
     virtual void decPtr(void*) {}
 
 private:
     struct Pair {
         void*       fPtr;   // never NULL
         uint32_t    fIndex; // 1...N
     };
 
@@ skipping 71 matching lines @@
     const char* getNextAddedFactoryName();
 private:
     int                    fNextAddedFactory;
     SkFactorySet           fFactorySet;
     SkTDArray<const char*> fNames;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif