[chromecast] Enable Mojo javascript bindings for cast_shell

chromecast/renderer/BUILD.gn

Index: chromecast/renderer/BUILD.gn
diff --git a/chromecast/renderer/BUILD.gn b/chromecast/renderer/BUILD.gn
index 1391da1619513315da75f42612fe78a7912f8c6a..284f66a9e4403e4c7aa515d8cf30ba9f9d1da10a 100644
--- a/chromecast/renderer/BUILD.gn
+++ b/chromecast/renderer/BUILD.gn
@@ -8,6 +8,8 @@ source_set("renderer") {
   sources = [
     "cast_content_renderer_client.cc",
     "cast_content_renderer_client.h",
+    "cast_gin_runner.cc",
+    "cast_gin_runner.h",
     "cast_media_load_deferrer.cc",
     "cast_media_load_deferrer.h",
     "key_systems_cast.cc",
@@ -34,9 +36,11 @@ source_set("renderer") {
     "//chromecast/media",
     "//components/cdm/renderer",
     "//components/network_hints/renderer",
+    "//content:resources_grit",
     "//content/public/common",
     "//content/public/renderer",
     "//crypto",
+    "//gin:gin",
     "//ipc",
     "//media",
     "//services/shell/public/cpp",