Introduce Sky packaged apps.

mojo/public/dart/rules.gni

Index: mojo/public/dart/rules.gni
diff --git a/mojo/public/dart/rules.gni b/mojo/public/dart/rules.gni
index 930a8967711a7e6997ec86eacdda4d559b5d98c1..de8919a78d38b0d7e0234a99a049277e15c25685 100644
--- a/mojo/public/dart/rules.gni
+++ b/mojo/public/dart/rules.gni
@@ -61,11 +61,12 @@ template("dart_package") {
 
     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)) {
@@ -188,6 +189,9 @@ template("dart_packaged_application") {
     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)