Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f

third_party/mojo/src/mojo/public/tools/dart_analyze.py

 #!/usr/bin/python
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # To integrate dartanalyze with out build system, we take an input file, run
 # the analyzer on it, and write a stamp file if it passed.
 #
 # The first argument to this script is a reference to this build's gen
 # directory, which we treat as the package root. The second is the stamp file
@@ skipping 13 matching lines @@
   re.compile(r'^$'),
   re.compile(r'^Analyzing \['),
   re.compile(r'^No issues found'),
   re.compile(r'^[0-9]+ errors? and [0-9]+ warnings? found.'),
   re.compile(r'^([0-9]+|No) (error|warning|issue)s? found.'),
 
   # TODO: It seems like this should be re-enabled evenutally.
   re.compile(r'.*is a part and can not|^Only libraries can be analyzed'),
   # TODO: Remove this once dev SDK includes Uri.directory constructor.
   re.compile(r'.*The class \'Uri\' does not have a constructor \'directory\''),
+  # TODO: Remove this once Sky no longer generates this warning.
+  # dartbug.com/22836
+  re.compile(r'.*cannot both be unnamed'),
 ]
 
 def _success(stamp_file):
   # We passed cleanly, so touch the stamp file so that we don't run again.
   with open(stamp_file, 'a'):
     os.utime(stamp_file, None)
   return 0
 
 def main(args):
   dartzip_file = args.pop(0)
@@ skipping 15 matching lines @@
     ]
 
     # Grab all the toplevel dart files in the archive.
     dart_files = glob.glob(os.path.join(temp_dir, "*.dart"))
 
     if not dart_files:
       return _success(stamp_file)
 
     cmd.extend(dart_files)
     cmd.extend(args)
-    cmd.append("--package-root=%s" % temp_dir)
+    cmd.append("--package-root=%s/packages" % temp_dir)
     cmd.append("--fatal-warnings")
 
     errors = 0
     try:
       subprocess.check_output(cmd, shell=False, stderr=subprocess.STDOUT)
     except subprocess.CalledProcessError as e:
       errors = set(l for l in e.output.split('\n')
                    if not any(p.match(l) for p in _IGNORED_PATTERNS))
       for error in sorted(errors):
         print >> sys.stderr, error.replace(temp_dir + "/", dartzip_basename)
 
     if not errors:
       return _success(stamp_file)
     return min(255, len(errors))
   finally:
     shutil.rmtree(temp_dir)
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))