change drawPicture in SkRecord to just ref the picture

tests/RecorderTest.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 "Test.h"
 
+#include "SkPictureRecorder.h"
 #include "SkRecord.h"
 #include "SkRecorder.h"
 #include "SkRecords.h"
 #include "SkShader.h"
 
 #define COUNT(T) + 1
 static const int kRecordTypes = SK_RECORD_TYPES(COUNT);
 #undef COUNT
 
 // Tallies the types of commands it sees into a histogram.
@@ skipping 40 matching lines @@
 
     REPORTER_ASSERT(r, paint.getShader()->unique());
     {
         SkRecord record;
         SkRecorder recorder(&record, 1920, 1080);
         recorder.saveLayer(&bounds, &paint);
         REPORTER_ASSERT(r, !paint.getShader()->unique());
     }
     REPORTER_ASSERT(r, paint.getShader()->unique());
 }
+
+DEF_TEST(Recorder_RefPictures, r) {
+    SkAutoTUnref<SkPicture> pic;
+
+    {
+        SkPictureRecorder pr;
+        SkCanvas* canvas = pr.beginRecording(100, 100);
+        canvas->drawColor(SK_ColorRED);
+        pic.reset(pr.endRecording());
+    }
+    REPORTER_ASSERT(r, pic->unique());
+
+    {
+        SkRecord record;
+        SkRecorder recorder(&record, 100, 100);
+        recorder.drawPicture(pic);
+        // the recorder should now also be an owner
+        REPORTER_ASSERT(r, !pic->unique());
+    }
+    // the recorder destructor should have released us (back to unique)
+    REPORTER_ASSERT(r, pic->unique());
+}