Remove the mojom-sources flag from dart_pkg.py

mojo/public/dart/rules.gni

 # 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.
 
 # This file has rules for making Dart packages and Dart-based Mojo applications.
 # The entrypoint is the dart_pkg rule.
 
 import("../mojo.gni")
 import("//build/module_args/mojo.gni")
 import("//build/module_args/dart.gni")
@@ skipping 154 matching lines @@
     deps = []
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
 
     datadeps = []
     if (defined(invoker.datadeps)) {
       datadeps += invoker.datadeps
     }
 
-    list_mojoms_script =
-        rebase_path("mojo/public/tools/dart_list_mojoms.py", ".", mojo_sdk_root)
-    mojom_sources = []
-    foreach(d, deps) {
-      root_prefix = rebase_path(".", "", mojo_sdk_root)
-      source_directory = rebase_path(get_label_info(d, "dir"))
-      mojom_sources += exec_script(list_mojoms_script,
-                                   [
-                                     source_directory,
-                                     root_prefix,
-                                   ],
-                                   "list lines")
-    }
-
     sdk_ext_directory = []
     if (defined(invoker.sdk_ext_directory)) {
       sdk_ext_directory += [ invoker.sdk_ext_directory ]
     }
 
     sdk_ext_files = []
     if (defined(invoker.sdk_ext_files)) {
       sdk_ext_files += invoker.sdk_ext_files
     }
 
@@ skipping 32 matching lines @@
 
     # We have to use foreach to set up outputs instead of rebase_path because
     # GN doesn't like assignments to outputs that aren't obviously under
     # $root_gen_dir somewhere.
     outputs = [
       "$root_gen_dir/dart-pkg/${package_name}",
       "$root_gen_dir/dart-pkg/packages/${package_name}",
       stamp_file,
     ]
 
-    inputs = [
-               list_mojoms_script,
-               script,
-             ] + rebase_path(sources)
+    inputs = [ script ] + rebase_path(sources)
 
     args = [
              "--package-name",
              package_name,
              "--dart-sdk",
              rebase_path(dart_sdk_root),
              "--pkg-directory",
              pkg_directory,
              "--package-root",
              package_root,
              "--stamp-file",
              rebase_path(stamp_file),
              "--entries-file",
              rebase_path(entries_file),
              "--package-sources",
            ] + rebase_path(sources) + [ "--package-entrypoints" ] +
-           rebase_path(entrypoints) + [ "--mojom-sources" ] +
-           rebase_path(mojom_sources, "", mojo_sdk_root) +
-           [ "--sdk-ext-directories" ] + rebase_path(sdk_ext_directory) +
-           [ "--sdk-ext-files" ] + rebase_path(sdk_ext_files) +
-           [ "--sdk-ext-mappings" ] + sdk_ext_mappings + extra_flags
+           rebase_path(entrypoints) + [ "--sdk-ext-directories" ] +
+           rebase_path(sdk_ext_directory) + [ "--sdk-ext-files" ] +
+           rebase_path(sdk_ext_files) + [ "--sdk-ext-mappings" ] +
+           sdk_ext_mappings + extra_flags
   }
 }
 
 # This is the entrypoint for organizing Dart code for Mojo.
 #
 # There should be a one to one mapping between dart_pkg rules and pubspec.yamls.
 #
 # This build rule will result in a package under $root_gen_dir/dart-pkg/
 #
 # The name of the package is taken from the 'pubspec.yaml' file.
@@ skipping 173 matching lines @@
   group(target_name) {
     deps = []
     foreach(package_dir, packages) {
       deps += [ ":$package_dir" ]
     }
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
   }
 }