Update the UI examples.

examples/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/config/nacl/config.gni")
 import("//build/config/ui.gni")
 
 # Collection of examples which are currently capable of being built as pexes.
 # TODO(smklein): Make all examples build as pexes.
 group("portable_examples") {
@@ skipping 18 matching lines @@
     "//examples/trace_me",
     "//examples/wget",
   ]
 }
 
 group("examples") {
   testonly = true
 
   deps = [
     ":portable_examples",
+    "//examples/ui/png_viewer",
+    "//examples/ui/shapes",
+    "//examples/ui/spinning_cube",
+    "//examples/ui/tile",
   ]
 
+  # TODO(cstout) - javascript/v8 build support for fnl/musl
+  if (!is_android && !is_fnl) {
+    deps += [ "//examples/ui/pdf_viewer" ]
+  }
+
   if (is_android) {
     deps += [
       "//examples/device_name",
       "//examples/java_android/example_service",
       "//examples/java_android/echo",
     ]
   }
 
   if (defined(go_build_tool) && go_build_tool != "") {
     deps += [ "//examples/go" ]
     if (is_android) {
       deps += [ "//examples/bank_app" ]
     }
   }
 
   if (is_linux && !is_fnl) {
     deps += [ "//examples/python" ]
   }
 
   if (mojo_use_nacl && (is_linux || is_android) && !is_asan) {
     deps += [ ":portable_examples(//build/toolchain/nacl:newlib_pnacl)" ]
   }
 }