Change mojo geometry structs from using type converters to StructTraits.

components/mus/surfaces/BUILD.gn

 # Copyright 2014 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")
 
 source_set("surfaces") {
   sources = [
     "direct_output_surface.cc",
     "direct_output_surface.h",
@@ skipping 18 matching lines @@
     "//components/mus/public/cpp/surfaces",
     "//components/mus/public/interfaces",
     "//gpu/command_buffer/client",
     "//gpu/command_buffer/client:gles2_cmd_helper",
     "//gpu/command_buffer/client:gles2_implementation",
     "//gpu/command_buffer/client:gles2_interface",
     "//services/shell/public/cpp",
     "//services/tracing/public/cpp",
     "//ui/gfx",
     "//ui/gfx/geometry/mojo",
-    "//ui/gfx/geometry/mojo:interfaces",
     "//ui/gl",
   ]
 
   if (use_ozone) {
     sources += [
       "direct_output_surface_ozone.cc",
       "direct_output_surface_ozone.h",
       "ozone_gpu_memory_buffer_manager.cc",
       "ozone_gpu_memory_buffer_manager.h",
     ]
     deps += [ "//gpu/command_buffer/common" ]
   }
 }