Rename sample_app -> spinning_cube.

examples/surfaces_app/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("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 group("surfaces_app") {
   deps = [
     ":child_app",
@@ skipping 68 matching lines @@
 mojo_native_application("child_gl_app") {
   output_name = "surfaces_child_gl_app"
 
   deps = [
     ":bindings",
     ":util",
     "//base",
     "//cc",
     "//cc/surfaces",
     "//cc/surfaces:surface_id",
-    "//examples/sample_app:spinning_cube",
+    "//examples/spinning_cube:lib",
     "//gpu/command_buffer/common",
     "//mojo/application",
     "//mojo/common",
     "//mojo/converters/geometry",
     "//mojo/converters/surfaces",
     "//mojo/environment:chromium",
     "//mojo/public/c/gles2",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/environment",
     "//mojo/public/cpp/system",
@@ skipping 33 matching lines @@
     "//mojo/services/surfaces/public/interfaces",
     "//mojo/services/surfaces/public/interfaces:surface_id",
   ]
 
   import_dirs = [ get_path_info("../../mojo/services", "abspath") ]
 
   sources = [
     "child.mojom",
   ]
 }