Add raw pixel serialization fallback for SkImages that cannot be encoded.

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 145 matching lines @@
     blacklist.extend('_ image gen_platf rgb24lprof.bmp'.split(' '))
     blacklist.extend('_ image gen_platf 8bpp-pixeldata-cropped.bmp'.split(' '))
     blacklist.extend('_ image gen_platf 4bpp-pixeldata-cropped.bmp'.split(' '))
     blacklist.extend('_ image gen_platf 32bpp-pixeldata-cropped.bmp'.split(' '))
     blacklist.extend('_ image gen_platf 24bpp-pixeldata-cropped.bmp'.split(' '))
     if 'x86_64' in bot and 'CPU' in bot:
       # This GM triggers a SkSmallAllocator assert.
       blacklist.extend('_ gm _ composeshader_bitmap'.split(' '))
 
   # skia:4095
-  for test in ['not_native32_bitmap_config',
-               'bleed_image',
-               'bleed_alpha_image',
-               'bleed_alpha_image_shader',
+  for test in ['bleed_image',
                'c_gms',
                'colortype',
                'colortype_xfermodes',
                'drawfilter',
                'fontmgr_bounds_0.75_0',
                'fontmgr_bounds_1_-0.25',
                'fontmgr_bounds',
                'fontmgr_match',
-               'fontmgr_iter',
-               'verylargebitmap',              # Windows only.
-               'verylarge_picture_image']:     # Windows only.
+               'fontmgr_iter']:
     blacklist.extend(['serialize-8888', 'gm', '_', test])
+  if 'Mac' not in bot:
+    for test in ['bleed_alpha_image', 'bleed_alpha_image_shader']:
+      blacklist.extend(['serialize-8888', 'gm', '_', test])
+  if 'Win' in bot:
+    for test in ['verylargebitmap', 'verylarge_picture_image']:
+      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])
   # skia:4703
   for test in ['image-cacherator-from-picture',
                'image-cacherator-from-raster',
                'image-cacherator-from-ctable']:
     blacklist.extend([       'sp-8888', 'gm', '_', test])
@@ skipping 39 matching lines @@
     match.append('~bleed_image')  # skia:4367
     match.append('~ReadPixels')  # skia:4368
 
   if 'ANGLE' in bot and 'Debug' in bot:
     match.append('~GLPrograms') # skia:4717
 
   if 'MSAN' in bot:
     match.extend(['~Once', '~Shared'])  # Not sure what's up with these tests.
 
   if 'TSAN' in bot:
-    match.extend(['~ReadWriteAlpha'])   # Flaky on TSAN-covered on nvidia bots. 
+    match.extend(['~ReadWriteAlpha'])   # Flaky on TSAN-covered on nvidia bots.
 
   if blacklist:
     args.append('--blacklist')
     args.extend(blacklist)
 
   if match:
     args.append('--match')
     args.extend(match)
 
   # These bots run out of memory running RAW codec tests. Do not run them in
@@ skipping 52 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)