Revert 277208 "[PPAPI] Compositor API implementation."

ppapi/ppapi_tests.gypi

 # Copyright (c) 2012 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': 'ppapi_tests',
       'type': 'loadable_module',
       'include_dirs': [
@@ skipping 553 matching lines @@
       ],
       'include_dirs': [
         'lib/gl/include',
       ],
       'sources': [
         'examples/gles2_spinning_cube/gles2_spinning_cube.cc',
         'examples/gles2_spinning_cube/spinning_cube.cc',
         'examples/gles2_spinning_cube/spinning_cube.h',
       ],
     },
-    {
-      'target_name': 'ppapi_example_compositor',
-      'dependencies': [
-        'ppapi_example_skeleton',
-        'ppapi.gyp:ppapi_cpp',
-        'ppapi.gyp:ppapi_gles2',
-      ],
-      'include_dirs': [
-        'lib/gl/include',
-      ],
-      'sources': [
-        'examples/compositor/compositor.cc',
-        'examples/compositor/spinning_cube.cc',
-        'examples/compositor/spinning_cube.h',
-      ],
-    },
   ],
 }