Update CRD ChromeOS Host build files to be better in line with GN style.

remoting/host/chromeos/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("//remoting/build/config/remoting_build.gni")
+
+source_set("chromeos") {
+  sources = [
+    "aura_desktop_capturer.cc",
+    "aura_desktop_capturer.h",
+    "clipboard_aura.cc",
+    "clipboard_aura.h",
+    "message_box.cc",
+    "message_box.h",
+    "mouse_cursor_monitor_aura.cc",
+    "mouse_cursor_monitor_aura.h",
+    "point_transformer.cc",
+    "point_transformer.h",
+    "skia_bitmap_desktop_frame.cc",
+    "skia_bitmap_desktop_frame.h",
+  ]
+
+  public_deps = [
+    "//cc",
+    "//gpu/command_buffer/common",
+    "//ppapi/host",
+    "//remoting/protocol",
+    "//skia",
+    "//third_party/webrtc/modules/desktop_capture",
+    "//ui/aura",
+    "//ui/compositor",
+    "//ui/events",
+    "//ui/views",
+  ]
+
+  if (use_ash) {
+    public_deps += [ "//ash" ]
+  }
+}
+
+# The host portions of the remoting unit tests.
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [
+    "aura_desktop_capturer_unittest.cc",
+    "clipboard_aura_unittest.cc",
+  ]
+
+  configs += [ "//remoting/build/config:version" ]
+
+  deps = [
+    "//remoting/host",
+    "//remoting/host:test_support",
+    "//remoting/proto",
+    "//remoting/resources",
+    "//skia",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+}