mozart: Introduce new view manager interfaces.

mojo/services/ui/views/interfaces/BUILD.gn

Index: mojo/services/ui/views/interfaces/BUILD.gn
diff --git a/mojo/services/input_events/interfaces/BUILD.gn b/mojo/services/ui/views/interfaces/BUILD.gn
similarity index 61%
copy from mojo/services/input_events/interfaces/BUILD.gn
copy to mojo/services/ui/views/interfaces/BUILD.gn
index 9371206cbc106fe457cfdf433fbbb775772cb30d..514f916d53124bfb2c0c251447b4d9a30a79219e 100644
--- a/mojo/services/input_events/interfaces/BUILD.gn
+++ b/mojo/services/ui/views/interfaces/BUILD.gn
@@ -7,14 +7,15 @@ import("$mojo_sdk_root/mojo/public/tools/bindings/mojom.gni")
 
 mojom("interfaces") {
   sources = [
-    "input_event_constants.mojom",
-    "input_events.mojom",
-    "input_key_codes.mojom",
+    "layouts.mojom",
+    "view_manager.mojom",
+    "view_provider.mojom",
+    "view_trees.mojom",
+    "views.mojom",
   ]
 
-  import_dirs = [ get_path_info("../../", "abspath") ]
-
   deps = [
-    "../../geometry/interfaces",
+    "../../../geometry/interfaces",
+    "../../../surfaces/interfaces:surface_id",
   ]
 }