Mojo multiple command buffer support and sample

mojo/mojo_examples.gypi

Index: mojo/mojo_examples.gypi
diff --git a/mojo/mojo_examples.gypi b/mojo/mojo_examples.gypi
index 4058ac8c887955947fbfb3e12cefee1aa2185205..cef6422e999c2f06c8c493e4bd47aae8f054a1c4 100644
--- a/mojo/mojo_examples.gypi
+++ b/mojo/mojo_examples.gypi
@@ -441,6 +441,38 @@
         'public/cpp/application/lib/mojo_main_chromium.cc',
       ],
     },
+    {
+      'target_name': 'mojo_surfaces_child_gl_app',
+      'type': 'loadable_module',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../cc/cc.gyp:cc',
+        '../cc/cc.gyp:cc_surfaces',
+        '../skia/skia.gyp:skia',
+        '../ui/gfx/gfx.gyp:gfx',
+        '../ui/gfx/gfx.gyp:gfx_geometry',
+        'mojo_base.gyp:mojo_application_chromium',
+        'mojo_base.gyp:mojo_common_lib',
+        'mojo_base.gyp:mojo_environment_chromium',
+        'mojo_geometry_bindings',
+        'mojo_geometry_lib',
+        'mojo_surfaces_app_bindings',
+        'mojo_surfaces_bindings',
+        'mojo_surfaces_lib',
+        '<(mojo_gles2_for_loadable_module)',
+        '<(mojo_system_for_loadable_module)',
+      ],
+      'sources': [
+        'examples/surfaces_app/child_gl_app.cc',
+        'examples/surfaces_app/child_gl_impl.cc',
+        'examples/surfaces_app/child_gl_impl.h',
+        'examples/surfaces_app/surfaces_util.cc',
+        'examples/surfaces_app/surfaces_util.h',
+        'examples/sample_app/spinning_cube.cc',
+        'examples/sample_app/spinning_cube.h',
+        'public/cpp/application/lib/mojo_main_chromium.cc',
+      ],
+    }
   ],
   'conditions': [
     ['use_aura==1', {