ash: removes unnecessary includes and dep

ash/BUILD.gn

Index: ash/BUILD.gn
diff --git a/ash/BUILD.gn b/ash/BUILD.gn
index e0a47b71fdb11aebc1292ea84e3ae9d81915e109..3d4ebe60c89b802a9ae898012dc101e3c0048dd3 100644
--- a/ash/BUILD.gn
+++ b/ash/BUILD.gn
@@ -856,10 +856,6 @@ component("ash") {
     "//ash/resources",
     "//ash/resources/vector_icons",
     "//ash/shared:app_types",
-
-    # This is a tiny dependency that just defines some service name strings & is
-    # not equivalent to depending on content in a more substantial manner.
-    "//content/public/common:service_names",

[James Cook, 2017/01/23 17:25:05]

Per offline discussion, can you ping ben and see if we still need this to be a
separate target? My understanding was that the reason it's separated out is to
allow ash to connect to things it shouldn't (e.g. content_browser).

[sky, 2017/01/23 17:27:41]

Will do.

   ]
   deps = [
     "//ash/autoclick/common:autoclick",