Support fuchsia in compare_build_artifacts.

Bug: 936114
Change-Id: Iec30e618b1361546d420dc36317bea8a9a3dd39d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1728052
Auto-Submit: John Budorick <jbudorick@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682985}

tools/determinism/compare_build_artifacts.py

@@ -381,8 +381,9 @@ def main():
   target = {
       'darwin': 'mac', 'linux2': 'linux', 'win32': 'win'
   }.get(sys.platform, sys.platform)
-  parser.add_option('-t', '--target-platform', help='The target platform.',
-                    default=target, choices=('android', 'mac', 'linux', 'win'))
+  parser.add_option(
+      '-t', '--target-platform', help='The target platform.',
+      default=target, choices=('android', 'fuchsia', 'mac', 'linux', 'win'))
   options, _ = parser.parse_args()
 
   if not options.first_build_dir:

tools/determinism/deterministic_build_whitelist.pyl

@@ -19,6 +19,9 @@
   'android': [
   ],
 
+  'fuchsia': [
+  ],
+
   # https://crbug.com/330263
   'linux': [
   ],