Move services code brought in from Mojo to live under //third_party.

mojo/services/view_manager/public/cpp/BUILD.gn

Index: mojo/services/view_manager/public/cpp/BUILD.gn
diff --git a/mojo/services/view_manager/public/cpp/BUILD.gn b/mojo/services/view_manager/public/cpp/BUILD.gn
deleted file mode 100644
index b1a0bdb2edbebd05ebe3a0d034c42b602c232ee7..0000000000000000000000000000000000000000
--- a/mojo/services/view_manager/public/cpp/BUILD.gn
+++ /dev/null
@@ -1,56 +0,0 @@
-# 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("../../../mojo_sdk_root.gni")
-import("$mojo_sdk_root/mojo/public/mojo_sdk.gni")
-
-mojo_sdk_source_set("cpp") {
-  restrict_external_deps = false
-  public_configs = [ "../../../public/build/config:mojo_services" ]
-  sources = [
-    "lib/view.cc",
-    "lib/view_manager_client_factory.cc",
-    "lib/view_manager_client_impl.cc",
-    "lib/view_manager_client_impl.h",
-    "lib/view_manager_context.cc",
-    "lib/view_observer.cc",
-    "lib/view_private.cc",
-    "lib/view_private.h",
-    "view.h",
-    "view_manager.h",
-    "view_manager_client_factory.h",
-    "view_manager_context.h",
-    "view_manager_delegate.h",
-    "view_observer.h",
-    "view_property.h",
-    "view_tracker.cc",
-    "view_tracker.h",
-  ]
-
-  public_deps = [
-    ":common",
-  ]
-
-  deps = [
-    "../interfaces",
-    "../../../geometry/public/interfaces",
-    "../../../input_events/public/interfaces",
-    "../../../surfaces/public/interfaces:surface_id",
-    "../../../window_manager/public/interfaces",
-    "//base",
-  ]
-
-  mojo_sdk_deps = [
-    "mojo/public/c/gles2:headers",
-    "mojo/public/cpp/application",
-    "mojo/public/cpp/bindings:bindings",
-    "mojo/public/interfaces/application",
-  ]
-}
-
-source_set("common") {
-  sources = [
-    "types.h",
-  ]
-}