pepper: parse context creation attrib list on the plugin side

gpu/command_buffer/command_buffer_nacl.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../../build/common_untrusted.gypi',
@@ skipping 11 matching lines @@
             'nlib_target': 'libgles2_utils_nacl.a',
             'build_glibc': 0,
             'build_newlib': 0,
             'build_irt': 1,
             'build_pnacl_newlib': 0,
             'build_nonsfi_helper': 1,
           },
           'dependencies': [
             '../../base/base_nacl.gyp:base_nacl',
             '../../base/base_nacl.gyp:base_nacl_nonsfi',
+            '../../ui/gfx/gfx_nacl.gyp:gfx_geometry_nacl',
             '../../third_party/khronos/khronos.gyp:khronos_headers',
           ],
         },
       ],
     }],
   ],
 }