Introduce Sky packaged apps.

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.
 
 # Rules to generate python packaged applications for Dart
 
 import("//build/module_args/mojo.gni")
 
 template("dart_package") {
   package_target_name = "$target_name"
@@ skipping 43 matching lines @@
 
     deps = []
     zip_inputs = []
 
     if (defined(invoker.uses_pub) && invoker.uses_pub) {
       deps += [ ":${package_target_name}_repackage" ]
     }
 
     if (defined(invoker.deps)) {
       deps += invoker.deps
-      foreach(d, deps) {
-        dep_name = get_label_info(d, "name")
-        dep_target_out_dir = get_label_info(d, "target_out_dir")
-        zip_inputs += [ "$dep_target_out_dir/$dep_name.dartzip" ]
-      }
+    }
+
+    foreach(d, deps) {
+      dep_name = get_label_info(d, "name")
+      dep_target_out_dir = get_label_info(d, "target_out_dir")
+      zip_inputs += [ "$dep_target_out_dir/$dep_name.dartzip" ]
     }
 
     if (defined(invoker.datadeps)) {
       datadeps = invoker.datadeps
     }
 
     output = package_output
     outputs = [
       output,
     ]
@@ skipping 102 matching lines @@
       deps += invoker.mojom_deps
     }
     if (defined(invoker.datadeps)) {
       datadeps = invoker.datadeps
     }
 
     line = "#!mojo mojo:dart_content_handler"
     if (is_debug || (defined(invoker.strict) && invoker.strict == true)) {
       line = "#!mojo mojo:dart_content_handler?strict=true"
     }
+    if (defined(invoker.uses_sky) && invoker.uses_sky) {
+      line = "#!mojo mojo:sky_packaged_app_viewer"
+    }
 
     rebase_input = rebase_path(input, root_build_dir)
     rebase_output = rebase_path(output, root_build_dir)
     args = [
       "--input=$rebase_input",
       "--output=$rebase_output",
       "--line=$line",
     ]
   }
 }