Provide an API to the example window manager app that supports closing a window.

mojo/mojo_examples.gypi

 # Copyright 2013 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.
 
 {
   'targets': [
     {
       'target_name': 'mojo_sample_app',
       'type': 'shared_library',
       'dependencies': [
@@ skipping 294 matching lines @@
             'mojo_view_manager_bindings',
             'mojo_system_impl',
             'mojo_utility',
           ],
           'sources': [
             'examples/demo_launcher/demo_launcher.cc',
             'public/cpp/application/lib/mojo_main_chromium.cc',
           ],
         },
         {
+          'target_name': 'mojo_window_manager_bindings',
+          'type': 'static_library',
+          'sources': [
+            'examples/window_manager/window_manager.mojom',
+          ],
+          'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
+          'export_dependent_settings': [
+            'mojo_cpp_bindings',
+          ],
+          'dependencies': [
+            'mojo_cpp_bindings',
+          ],
+        },
+        {
           'target_name': 'mojo_window_manager',
           'type': 'shared_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../ui/gfx/gfx.gyp:gfx_geometry',
             '../ui/gl/gl.gyp:gl',
             'mojo_application',
             'mojo_cpp_bindings',
             'mojo_environment_chromium',
             'mojo_geometry_bindings',
             'mojo_gles2',
             'mojo_view_manager_lib',
+            'mojo_window_manager_bindings',
             'mojo_system_impl',
             'mojo_utility',
           ],
           'sources': [
             'examples/window_manager/window_manager.cc',
             'public/cpp/application/lib/mojo_main_chromium.cc',
           ],
         },
         {
           'target_name': 'mojo_embedded_app',
           'type': 'shared_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../ui/gfx/gfx.gyp:gfx_geometry',
             '../ui/gl/gl.gyp:gl',
             'mojo_application',
             'mojo_cpp_bindings',
             'mojo_environment_chromium',
             'mojo_geometry_bindings',
             'mojo_gles2',
             'mojo_view_manager_lib',
+            'mojo_window_manager_bindings',
             'mojo_system_impl',
             'mojo_utility',
           ],
           'sources': [
             'examples/embedded_app/embedded_app.cc',
             'public/cpp/application/lib/mojo_main_chromium.cc',
           ],
         },
       ],
     }],
@@ skipping 12 matching lines @@
             'mojo_utility',
           ],
           'sources': [
             'examples/dbus_echo/dbus_echo_app.cc',
           ],
         },
       ],
     }],
   ],
 }