split SkPictureRecorder out of SkPicture

tests/SerializationTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkBitmapSource.h"
 #include "SkCanvas.h"
@@ skipping 351 matching lines @@
         SkBitmap invalidBitmap;
         invalidBitmap.setConfig(info);
 
         // The deserialization should succeed, and the rendering shouldn't crash,
         // even when the device fails to initialize, due to its size
         TestBitmapSerialization(validBitmap, invalidBitmap, true, reporter);
     }
 
     // Test simple SkPicture serialization
     {
-        SkPicture* pict = new SkPicture;
-        SkAutoUnref aur(pict);
-        bool didDraw = drawSomething(pict->beginRecording(kBitmapSize, kBitmapSize));
+        SkPictureRecorder recorder;
+        bool didDraw = drawSomething(recorder.beginRecording(kBitmapSize, kBitmapSize));
         REPORTER_ASSERT(reporter, didDraw);
-        pict->endRecording();
+        SkAutoTUnref<SkPicture> pict(recorder.endRecording());
 
         // Serialize picture
         SkWriteBuffer writer(SkWriteBuffer::kValidation_Flag);
         pict->flatten(writer);
         size_t size = writer.bytesWritten();
         SkAutoTMalloc<unsigned char> data(size);
         writer.writeToMemory(static_cast<void*>(data.get()));
 
         // Deserialize picture
         SkValidatingReadBuffer reader(static_cast<void*>(data.get()), size);
         SkAutoTUnref<SkPicture> readPict(
             SkPicture::CreateFromBuffer(reader));
         REPORTER_ASSERT(reporter, NULL != readPict.get());
     }
 }