Rename sample_app -> spinning_cube.

examples/sample_app/BUILD.gn

Index: examples/sample_app/BUILD.gn
diff --git a/examples/sample_app/BUILD.gn b/examples/sample_app/BUILD.gn
deleted file mode 100644
index e318cc34c3612cc2c1d2f57c22503d9c3dbf586e..0000000000000000000000000000000000000000
--- a/examples/sample_app/BUILD.gn
+++ /dev/null
@@ -1,41 +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/public/mojo_application.gni")
-
-mojo_native_application("sample_app") {
-  sources = [
-    "gles2_client_impl.cc",
-    "gles2_client_impl.h",
-    "sample_app.cc",
-  ]
-
-  deps = [
-    ":spinning_cube",
-    "//base",
-    "//gpu/command_buffer/client:gles2_interface",
-    "//mojo/public/c/gles2",
-    "//mojo/public/cpp/application:standalone",
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/environment",
-    "//mojo/public/cpp/system",
-    "//mojo/public/cpp/utility",
-    "//mojo/services/geometry/public/interfaces",
-    "//mojo/services/native_viewport/public/interfaces",
-  ]
-}
-
-source_set("spinning_cube") {
-  sources = [
-    "spinning_cube.cc",
-    "spinning_cube.h",
-  ]
-
-  deps = [
-    "//base",
-    "//mojo/common",
-    "//mojo/public/c/gles2",
-    "//mojo/public/cpp/environment",
-  ]
-}