Mojo C++ bindings: switch part of the services/ui/public/interfaces mojom target to use STL types.

services/ui/public/interfaces/BUILD.gn

Index: services/ui/public/interfaces/BUILD.gn
diff --git a/services/ui/public/interfaces/BUILD.gn b/services/ui/public/interfaces/BUILD.gn
index dfd9be4782457a47e451e272e25465b40c9da067..beb10d6ebda58e8b32e11740d3e984515ed4c0be 100644
--- a/services/ui/public/interfaces/BUILD.gn
+++ b/services/ui/public/interfaces/BUILD.gn
@@ -5,11 +5,10 @@
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
-mojom("interfaces") {
+mojom("interfaces_use_new_wrappers") {
   sources = [
     "accessibility_manager.mojom",
     "animations.mojom",
-    "clipboard.mojom",
     "cursor.mojom",
     "display_manager.mojom",
     "event_matcher.mojom",
@@ -19,10 +18,32 @@ mojom("interfaces") {
     "mus_constants.mojom",
     "user_access_manager.mojom",
     "user_activity_monitor.mojom",
-    "window_manager.mojom",
     "window_manager_constants.mojom",
-    "window_manager_window_tree_factory.mojom",
     "window_server_test.mojom",
+  ]
+
+  import_dirs = [
+    get_path_info("../../../..", "abspath"),
+    "//mojo/services",
+  ]
+
+  public_deps = [
+    "//cc/ipc:interfaces",
+    "//gpu/ipc/common:interfaces",
+    "//services/ui/public/interfaces/display",
+    "//ui/events/mojo:interfaces",
+    "//ui/gfx/geometry/mojo",
+    "//ui/gfx/mojo",
+    "//ui/platform_window/mojo:interfaces",
+  ]
+}
+
+# TODO(yzshen): merge this target into the one above.
+mojom("interfaces") {
+  sources = [
+    "clipboard.mojom",
+    "window_manager.mojom",
+    "window_manager_window_tree_factory.mojom",
     "window_tree.mojom",
     "window_tree_constants.mojom",
     "window_tree_host.mojom",
@@ -35,6 +56,7 @@ mojom("interfaces") {
 
   public_deps = [
     ":constants",
+    ":interfaces_use_new_wrappers",
     "//cc/ipc:interfaces",
     "//gpu/ipc/common:interfaces",
     "//services/ui/public/interfaces/display",