GYP_DEFINES and DM flags for Vulkan bot

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 74 matching lines @@
     configs.append('angle')
 
   # We want to run gpudft on atleast the mali 400
   if 'GalaxyS3' in bot:
       configs.append('gpudft')
 
   # CommandBuffer bot *only* runs the command_buffer config.
   if 'CommandBuffer' in bot:
     configs = ['command_buffer']
 
+  # Vulkan bot *only* runs the vk config.
+  if 'Vulkan' in bot:
+    configs = ['vk']
+
   args.append('--config')
   args.extend(configs)
 
   # Run tests, gms, and image decoding tests everywhere.
-  # TODO: remove skp from default --src list?
   args.extend('--src tests gm image'.split(' '))
 
   if 'GalaxyS' in bot:
     args.extend(('--threads', '0'))
 
   blacklist = []
 
   # TODO: ???
   blacklist.extend('f16 _ _ dstreadshuffle'.split(' '))
   blacklist.extend('f16 image _ _'.split(' '))
@@ skipping 151 matching lines @@
     'Test-Android-GCC-Nexus9-GPU-TegraK1-Arm64-Debug',
     'Test-Android-GCC-NexusPlayer-CPU-SSSE3-x86-Release',
     'Test-Android-GCC-NVIDIA_Shield-GPU-TegraX1-Arm64-Release',
     'Test-Mac-Clang-MacMini4.1-GPU-GeForce320M-x86_64-Release',
     'Test-Mac-Clang-MacMini6.2-GPU-HD4000-x86_64-Debug-CommandBuffer',
     'Test-Mac10.8-Clang-MacMini4.1-CPU-SSE4-x86_64-Release',
     'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-MSAN',
     'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-TSAN',
     'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Valgrind',
     'Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind',
+    'Test-Win10-MSVC-ShuttleA-GPU-GTX660-x86_64-Debug-Vulkan',
     'Test-Win7-MSVC-ShuttleA-GPU-HD2000-x86-Debug-ANGLE',
   ]
 
   cov = coverage.coverage()
   cov.start()
   for case in cases:
     args[case] = get_args(case)
   cov.stop()
 
   this_file = os.path.basename(__file__)
@@ skipping 12 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)