Remove *.mojom.dart from //{,mojo/public/dart/}.gitignore, stop copying during build

mojo/public/tools/dart_pkg.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.
 
 """Utility for dart_pkg and dart_pkg_app rules"""
 
 import argparse
 import errno
@@ skipping 295 matching lines @@
       args.sdk_ext_files))
   for source in args.sdk_ext_files:
     relative_source = os.path.relpath(source, common_source_prefix)
     target = os.path.join(sdk_ext_dir, relative_source)
     copy_or_link(source, target)
 
   # Symlink packages/
   package_path = os.path.join(args.package_root, args.package_name)
   link(lib_path, package_path)
 
-  # TODO(zra): Remove when bindings are generated by the mojom package and
-  # checked in.
-  # Copy generated bindings back to the source directory.
-  if not args.read_only:
-    generated_bindings = list_files(lib_path, mojom_dart_filter)
-    for binding in generated_bindings:
-      lib_rel_path = os.path.relpath(binding, lib_path)
-      dest = os.path.join(common_source_prefix, 'lib', lib_rel_path)
-      remove_if_exists(dest)
-      copy(binding, dest)
-
   # Link dart-pkg/$package/packages to dart-pkg/packages
   link_if_possible(args.package_root, target_packages_dir)
 
   # Remove any broken symlinks in target_dir and package root.
   remove_broken_symlinks(target_dir)
   remove_broken_symlinks(args.package_root)
 
   # If any entrypoints are defined, write them to disk so that the analyzer
   # test can find them.
   with open(args.entries_file, 'w') as f:
     for entrypoint in entrypoint_targets:
       f.write(entrypoint + '\n')
 
   # Write stamp file.
   with open(args.stamp_file, 'w'):
     pass
 
   return 0
 
 if __name__ == '__main__':
   sys.exit(main())