Add SkBitmap StructTraits for skia::mojo::Bitmap.

ash/sysui/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/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 22 matching lines @@
   deps = [
     "//ash",
     "//ash/public/interfaces",
     "//cc",
     "//cc/surfaces",
     "//components/mus/common:mus_common",
     "//components/mus/public/cpp",
     "//components/mus/public/interfaces",
     "//components/user_manager",
     "//device/bluetooth",
-    "//mash/shelf/public/interfaces",
     "//mojo/common:common_base",
     "//services/catalog/public/cpp",
     "//services/shell/public/cpp",
     "//services/tracing/public/cpp",
-    "//skia/public",
     "//ui/app_list/presenter",
     "//ui/app_list/presenter:mojom",
     "//ui/aura",
     "//ui/events",
     "//ui/events/devices",
     "//ui/events/mojo",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gfx/geometry/mojo",
     "//ui/keyboard:mojom",
     "//ui/message_center",
     "//ui/platform_window/stub",
     "//ui/resources",
     "//ui/strings",
     "//ui/views",
     "//ui/views/mus:for_mojo_application",
   ]
 
+  public_deps = [
+    "//mash/shelf/public/interfaces",
+  ]
+
   if (is_chromeos) {
     deps += [ "//chromeos" ]
   }
 }
 
 mojo_application_manifest("manifest") {
   application_name = "ash_sysui"
   source = "manifest.json"
 }
 
@@ skipping 45 matching lines @@
 
 repack("resources_200") {
   sources = [
     "$root_out_dir/ash_test_resources_200_percent.pak",
   ]
   output = "$root_out_dir/ash_resources_200_percent.pak"
   deps = [
     "//ash/resources:ash_test_resources_200_percent",
   ]
 }