nanobench: split CPU and GPU .SKP tile sizes.

tools/nanobench_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 34 matching lines @@
       config.extend(['msaa16', 'nvprmsaa16'])
   args.append('--config')
   args.extend(config)
 
   if 'Valgrind' in bot:
     # Don't care about Valgrind performance.
     args.extend(['--loops',   '1'])
     args.extend(['--samples', '1'])
 
   if 'HD2000' in bot:
-    args.extend(['--benchTileW', '256'])
-    args.extend(['--benchTileH', '256'])
+    args.extend(['--GPUbenchTileW', '256'])
+    args.extend(['--GPUbenchTileH', '256'])
 
   match = []
   if 'Android' in bot:
     # Segfaults when run as GPU bench. Very large texture?
     match.append('~blurroundrect')
     match.append('~patch_grid')  # skia:2847
     match.append('~desk_carsvg')
   if 'HD2000' in bot:
     match.extend(['~gradient', '~etc1bitmap'])  # skia:2895
   if 'Nexus7' in bot:
@@ skipping 49 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)