media: Enable media_mojo_unittests on bots

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 34eef65d3f792b24336608d19922cc1647152634..14b3201dea4e455c8e26973fe8e890798759b154 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -645,6 +645,8 @@ group("gn_only") {
       "//components/mus/demo",
       "//components/mus/ws:tests",
       "//mash:all",
+      "//media/mojo:media_mojo_unittests",
+      "//media/mojo/services",
       "//media/mojo/services:media_mojo_shell_unittests",
       "//mojo",

[xhwang, 2016/06/09 21:19:48]

I wonder why these targets are win/linux only. Why can't they be built on Mac
and Android? At least the media mojo ones are platform neutral.

For now I am just following the model of media_mojo_shell_unittests.

       "//services/navigation",
@@ -781,8 +783,6 @@ group("gn_mojo_targets") {
     # and figure out how cross-platform they are
     deps = [
       "//ipc/mojo:ipc_mojo_perftests",
-      "//media/mojo:tests",
-      "//media/mojo/services",
       "//mojo:tests",
     ]
   }