add heuristic to pour small pictures into recordings, rather than ref'ing

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"
@@ skipping 71 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());
-}
-
 DEF_TEST(Recorder_drawImage_takeReference, reporter) {
 
     SkAutoTUnref<SkImage> image;
     {
         SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100));
         surface->getCanvas()->clear(SK_ColorGREEN);
         image.reset(surface->newImageSnapshot());
     }
     {
         SkRecord record;
@@ skipping 18 matching lines @@
         recorder.drawImageRect(image.get(), 0, SkRect::MakeWH(100, 100));
         REPORTER_ASSERT(reporter, !image->unique());
 
         Tally tally;
         tally.apply(record);
 
         REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImageRect>());
     }
     REPORTER_ASSERT(reporter, image->unique());
 }