Revert of Make mojo/services pass in "gn check"

mojo/public/tools/bindings/mojom.gni

Index: mojo/public/tools/bindings/mojom.gni
diff --git a/mojo/public/tools/bindings/mojom.gni b/mojo/public/tools/bindings/mojom.gni
index 74e6153a9c093d9dfeb4b32d402afff755364850..d1637395e5b193f3ec6d6498a29067d39f49e5d3 100644
--- a/mojo/public/tools/bindings/mojom.gni
+++ b/mojo/public/tools/bindings/mojom.gni
@@ -12,8 +12,10 @@
 #       List of source .mojom files to compile.
 #
 #   deps (optional)
-#   public_deps (optional)
+#
 #   visibility (optional)
+#       Normal meaning. However, this must be a list (normal visibility
+#       allows a single string).
 template("mojom") {
   assert(defined(invoker.sources),
          "\"sources\" must be defined for the $target_name template.")
@@ -83,7 +85,7 @@
     target_visibility = [ ":$target_name" ]
   }
 
-  generator_target_name = target_name + "__generator"
+  generator_target_name = target_name + "_generator"
   action_foreach(generator_target_name) {
     if (defined(invoker.visibility)) {
       visibility = target_visibility + invoker.visibility
@@ -116,8 +118,5 @@
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
-    if (defined(invoker.public_deps)) {
-      public_deps = invoker.public_deps
-    }
   }
 }