Update mojo sdk to rev c02a28868825edfa57ab77947b8cb15e741c5598

third_party/mojo/src/mojo/public/dart/rules.gni

Index: third_party/mojo/src/mojo/public/dart/rules.gni
diff --git a/third_party/mojo/src/mojo/public/dart/rules.gni b/third_party/mojo/src/mojo/public/dart/rules.gni
index 36fc92d15e0763d9742e82aca8afa337ccfa7619..d4adbb1ef6dc39f08eaaf3940dd0c7b1a28a16b0 100644
--- a/third_party/mojo/src/mojo/public/dart/rules.gni
+++ b/third_party/mojo/src/mojo/public/dart/rules.gni
@@ -116,8 +116,6 @@ template("dartzip_package") {
       rebase_path(package_output),
       rebase_path("$target_gen_dir/${package_target_name}_analyze.stamp"),
       "--no-hints",
-      "--url-mapping=dart:io,/" +
-          rebase_path("mojo/public/dart/lib/io.dart", "/", mojo_sdk_root),
     ]
 
     deps = [
@@ -226,6 +224,12 @@ template("dartzip_packaged_application") {
 #   sdk_ext_directory (optional)
 #       Directory containing sdk-ext .dart sources.
 #
+#   sdk_ext_files (optional)
+#       List of sources to include in sdk-ext.
+#
+#   sdk_ext_mappings (optional)
+#       Mappings for dart libraries that are part of of sdk_ext.
+#
 template("dart_pkg") {
   if (defined(invoker.pkg_dir)) {
     pubspec_yaml_path = rebase_path("pubspec.yaml", "", invoker.pkg_dir)
@@ -245,6 +249,7 @@ template("dart_pkg") {
   pkg_directory = rebase_path("$root_gen_dir/dart-pkg")
   package_root = rebase_path("$root_gen_dir/dart-pkg/packages")
   stamp_file = "$root_gen_dir/dart-pkg/${package_name}.stamp"
+  output_dir = "$root_gen_dir/dart-pkg/${package_name}"
 
   assert(defined(invoker.sources) || defined(invoker.pkg_dir))
 
@@ -278,8 +283,19 @@ template("dart_pkg") {
       sdk_ext_directory += [ invoker.sdk_ext_directory ]
     }
 
+    sdk_ext_files = []
+    if (defined(invoker.sdk_ext_files)) {
+      sdk_ext_files += invoker.sdk_ext_files
+    }
+
+    sdk_ext_mappings = []
+    if (defined(invoker.sdk_ext_mappings)) {
+      sdk_ext_mappings += invoker.sdk_ext_mappings
+    }
+
     script = rebase_path("mojo/public/tools/dart_pkg.py", ".", mojo_sdk_root)
     outputs = [
+      output_dir,
       stamp_file,
     ]
 
@@ -315,6 +331,8 @@ template("dart_pkg") {
              "--package-sources",
            ] + rebase_path(sources) + [ "--mojom-sources" ] +
            rebase_path(mojom_sources, "", mojo_sdk_root) +
-           [ "--sdk-ext-directories" ] + rebase_path(sdk_ext_directory)
+           [ "--sdk-ext-directories" ] + rebase_path(sdk_ext_directory) +
+           [ "--sdk-ext-files" ] + rebase_path(sdk_ext_files) +
+           [ "--sdk-ext-mappings" ] + sdk_ext_mappings
   }
 }