Fix exception handling in SkRawCodec

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 147 matching lines @@
   # Extensions for RAW images
   r = ["arw", "cr2", "dng", "nef", "nrw", "orf", "raf", "rw2", "pef", "srw",
        "ARW", "CR2", "DNG", "NEF", "NRW", "ORF", "RAF", "RW2", "PEF", "SRW"]
 
   # skbug.com/4888
   # Blacklist RAW images on GPU tests until we can resolve failures
   if 'GPU' in bot:
     for raw_ext in r:
       blacklist.extend(('_ image _ .%s' % raw_ext).split(' '))
 
+  # Blacklist RAW images on Win32 tests due to out-of-memory issue
+  if 'Win' in bot and not '64' in bot:
+    for raw_ext in r:
+      blacklist.extend(('_ image _ .%s' % raw_ext).split(' '))
+
   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')
 
@@ skipping 71 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)