Fix lazy coding in ViaSingletonPictures.

tools/dm_flags.py

 #
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 
 #!/usr/bin/env python
 
 usage = '''
@@ skipping 158 matching lines @@
                'fontmgr_iter',
                'lightingshader',
                'verylargebitmap',              # Windows only.
                'verylarge_picture_image']:     # Windows only.
     blacklist.extend(['serialize-8888', 'gm', '_', test])
   # skia:4769
   for test in ['drawfilter']:
     blacklist.extend([    'sp-8888', 'gm', '_', test])
     blacklist.extend([   'pic-8888', 'gm', '_', test])
     blacklist.extend(['2ndpic-8888', 'gm', '_', test])
-  for test in ['patch_primitive']:
-    blacklist.extend(['sp-8888', 'gm', '_', test])
   # skia:4703
   for test in ['image-cacherator-from-picture',
                'image-cacherator-from-raster',
                'image-cacherator-from-ctable']:
     blacklist.extend([       'sp-8888', 'gm', '_', test])
     blacklist.extend([      'pic-8888', 'gm', '_', test])
     blacklist.extend([   '2ndpic-8888', 'gm', '_', test])
     blacklist.extend(['serialize-8888', 'gm', '_', test])
 
   # Extensions for RAW images
@@ skipping 100 matching lines @@
   if len(sys.argv) == 2 and sys.argv[1] == 'test':
     self_test()
     sys.exit(0)
 
   if len(sys.argv) != 3:
     print usage
     sys.exit(1)
 
   with open(sys.argv[1], 'w') as out:
     json.dump(get_args(sys.argv[2]), out)