views: add layout delegates

.gn

 # This file is used by the GN meta build system to find the root of the source
 # tree and to set startup options. For documentation on the values set in this
 # file, run "gn help dotfile" at the command line.
 
 # The location of the build configuration file.
 buildconfig = "//build/config/BUILDCONFIG.gn"
 
 # The secondary source root is a parallel directory tree where
 # GN build files are placed when they can not be placed directly
 # in the source tree, e.g. for third party source trees.
@@ skipping 111 matching lines @@
   "//ui/aura_extra/*",
   "//ui/base/*",
   "//ui/chromeos/*",
   "//ui/compositor/*",
   "//ui/content_accelerators/*",
   "//ui/display/*",
   "//ui/events/*",
   "//ui/file_manager/*",
   "//ui/gfx/*",
   "//ui/gl/*",
+  "//ui/harmony/*",
   "//ui/keyboard/*",
   "//ui/latency_info/*",
   "//ui/login/*",
   "//ui/message_center/*",
   "//ui/mojo/*",
   "//ui/native_theme/*",
   "//ui/ozone/*",
   "//ui/platform_window/*",
   "//ui/resources/*",
   "//ui/shell_dialogs/*",
@@ skipping 116 matching lines @@
   "//third_party/skia/gn/shared_sources.gni",
 
   # CLD2 should be removed soon, delete this when we do.
   "//third_party/cld_2/BUILD.gn",
   "//tools/grit/grit_rule.gni",
 
   # Not gypi-to-gn.
   "//google_apis/BUILD.gn",
   "//printing/BUILD.gn",
 ]