Add mojo service for CopylessPaste in Java

third_party/WebKit/public/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/buildflag_header.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//tools/grit/grit_rule.gni")
@@ skipping 635 matching lines @@
     "//content/common:mojo_bindings_blink",
     "//third_party/WebKit/Source/platform",
   ]
   sources = [
     "platform/mime_registry.mojom",
     "platform/modules/app_banner/app_banner.mojom",
     "platform/modules/background_sync/background_sync.mojom",
     "platform/modules/bluetooth/web_bluetooth.mojom",
     "platform/modules/broadcastchannel/broadcast_channel.mojom",
     "platform/modules/budget_service/budget_service.mojom",
+    "platform/modules/document_metadata/copyless_paste.mojom",
     "platform/modules/hyphenation/hyphenation.mojom",
     "platform/modules/mediasession/media_session.mojom",
     "platform/modules/notifications/notification.mojom",
     "platform/modules/notifications/notification_service.mojom",
     "platform/modules/permissions/permission.mojom",
     "platform/modules/permissions/permission_status.mojom",
     "platform/modules/presentation/presentation.mojom",
     "platform/modules/sensitive_input_visibility/sensitive_input_visibility_service.mojom",
     "platform/modules/serviceworker/service_worker_event_status.mojom",
     "platform/modules/websockets/websocket.mojom",
@@ skipping 81 matching lines @@
 # relegated to a separate target to avoid duplication between the variants.
 source_set("shared_typemap_traits") {
   visibility = [ ":*" ]
   sources = [
     "web/ConsoleMessageStructTraits.cpp",
   ]
   deps = [
     ":mojo_bindings_shared__generator",
   ]
 }