GN: Set --coverage-dir in bin/run_* script when emma_coverage = true

build/android/gyp/create_test_runner_script.py

 #!/usr/bin/env 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.
 
 """Creates a script to run an android test using build/android/test_runner.py.
 """
 
 import argparse
@@ skipping 40 matching lines @@
   parser.add_argument('--depfile',
                       help='Path to the depfile. This must be specified as '
                            "the action's first output.")
   # We need to intercept any test runner path arguments and make all
   # of the paths relative to the output script directory.
   group = parser.add_argument_group('Test runner path arguments.')
   group.add_argument('--output-directory')
   group.add_argument('--isolate-file-path')
   group.add_argument('--apk-under-test')
   group.add_argument('--test-apk')
+  group.add_argument('--coverage-dir')
   args, test_runner_args = parser.parse_known_args(
       build_utils.ExpandFileArgs(args))
 
   def RelativizePathToScript(path):
     """Returns the path relative to the output script directory."""
     return os.path.relpath(path, os.path.dirname(args.script_output_path))
 
   test_runner_path = os.path.join(
       os.path.dirname(__file__), os.path.pardir, 'test_runner.py')
   test_runner_path = RelativizePathToScript(test_runner_path)
 
   test_runner_path_args = {}
   if args.output_directory:
     test_runner_path_args['--output-directory'] = RelativizePathToScript(
         args.output_directory)
   if args.isolate_file_path:
     test_runner_path_args['--isolate-file-path'] = RelativizePathToScript(
         args.isolate_file_path)
   if args.apk_under_test:
     test_runner_path_args['--apk-under-test'] = RelativizePathToScript(
         args.apk_under_test)
   if args.test_apk:
     test_runner_path_args['--test-apk'] = RelativizePathToScript(
         args.test_apk)
+  if args.coverage_dir:
+    test_runner_path_args['--coverage-dir'] = RelativizePathToScript(
+        args.coverage_dir)
 
   with open(args.script_output_path, 'w') as script:
     script.write(SCRIPT_TEMPLATE.format(
         test_runner_path=str(test_runner_path),
         test_runner_args=str(test_runner_args),
         test_runner_path_args=str(test_runner_path_args)))
 
   os.chmod(args.script_output_path, 0750)
 
   if args.depfile:
     build_utils.WriteDepfile(
         args.depfile,
         build_utils.GetPythonDependencies())
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))