DM: add a pixel check to serialize

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 150 matching lines @@
     blacklist.extend('gpu skp _ _ msaa skp _ _'.split(' '))
     blacklist.extend('gpu image decode _ msaa image decode _'.split(' '))
     blacklist.extend('msaa16 gm _ tilemodesProcess'.split(' '))
 
   # the 32-bit GCE bots run out of memory in DM when running these large images
   if 'x86' in bot and not 'x86-64' in bot:
     blacklist.extend('_ image _ interlaced1.png'.split(' '))
     blacklist.extend('_ image _ interlaced2.png'.split(' '))
     blacklist.extend('_ image _ interlaced3.png'.split(' '))
 
+  # skia:4095
+  for test in ['not_native32_bitmap_config',
+               'bleed_image',
+               'bleed_alpha_image',
+               'bleed_alpha_image_shader',
+               'blend',
+               'c_gms',
+               'colortype',
+               'colortype_xfermodes',
+               'colorwheelnative',
+               'drawfilter',
+               'fontmgr_bounds_0.75_0',
+               'fontmgr_bounds_1_-0.25',
+               'fontmgr_bounds',
+               'fontmgr_match',
+               'fontmgr_iter',
+               'lightingshader',
+               'localmatriximagefilter',
+               'path_stroke_with_zero_length',
+               'textblobgeometrychange',
+               'verylargebitmap',              # Windows only.
+               'verylarge_picture_image']:     # Windows only.
+    blacklist.extend(['serialize-8888', 'gm', '_', test])
+
   if blacklist:
     args.append('--blacklist')
     args.extend(blacklist)
 
   match = []
   if 'Valgrind' in bot: # skia:3021
     match.append('~Threaded')
 
   if 'GalaxyS3' in bot:  # skia:1699
     match.append('~WritePixels')
-  
+
   if 'AndroidOne' in bot:  # skia:4711
     match.append('~WritePixels')
 
   if 'NexusPlayer' in bot:
     match.append('~ResourceCache')
 
   if 'GalaxyS4' in bot:  # skia:4079
     match.append('~imagefiltersclipped')
     match.append('~imagefilterscropexpand')
     match.append('~scaled_tilemodes_npot')
@@ skipping 51 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)