Use compositor_frame typemap in Blink

gpu/ipc/common/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 group("common") {
   if (is_component_build) {
     public_deps = [
@@ skipping 126 matching lines @@
 mojom("test_interfaces") {
   testonly = true
   sources = [
     "traits_test_service.mojom",
   ]
 
   public_deps = [
     ":interfaces",
   ]
 }
+
+group("struct_traits") {
+  public_deps = [
+    ":struct_traits_sources",
+  ]
+}
+
+source_set("struct_traits_sources") {
+  sources = [
+    "mailbox_holder_struct_traits.h",
+    "mailbox_struct_traits.h",
+    "sync_token_struct_traits.h",
+  ]
+  deps = [
+    ":interfaces_shared_cpp_sources",
+    "//gpu/command_buffer/common",
+    "//mojo/public/cpp/bindings:bindings",
+  ]
+}