This fixes the GL build so it works....

plugin/plugin.gyp

 # Copyright (c) 2009 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.gypi',
@@ skipping 18 matching lines @@
       'dependencies': [
         '../../<(jpegdir)/libjpeg.gyp:libjpeg',
         '../../<(pngdir)/libpng.gyp:libpng',
         '../../<(zlibdir)/zlib.gyp:zlib',
         '../../base/base.gyp:base',
         '../../skia/skia.gyp:skia',
         '../../v8/tools/gyp/v8.gyp:v8',
         '../core/core.gyp:o3dCore',
         '../core/core.gyp:o3dCorePlatform',
         '../import/archive.gyp:o3dArchive',
-        '../serializer/serializer.gyp:o3dSerializer',
         '../utils/utils.gyp:o3dUtils',
         '../../native_client/src/shared/imc/imc.gyp:google_nacl_imc',
         'idl/idl.gyp:o3dPluginIdl',
       ],
       'sources': [
         'cross/async_loading.cc',
         'cross/async_loading.h',
         'cross/blacklist.cc',
         'cross/config.h',
         'cross/config_common.cc',
@@ skipping 19 matching lines @@
             'dependencies': [
               '../statsreport/statsreport.gyp:o3dStatsReport',
               'add_version',
               'o3dPluginLogging',
             ],
           },
         ],
         ['renderer == "gl"',
           {
             'dependencies': [
+              '../build/libs.gyp:gl_libs',
               '../build/libs.gyp:cg_libs',
             ],
           },
         ],
         ['OS == "mac"',
           {
             'mac_bundle': 1,
             'product_extension': 'plugin',
             'product_name': 'O3D',
             'dependencies': [
@@ skipping 141 matching lines @@
               'libraries': [
                 '"$(DXSDK_DIR)/Lib/x86/DxErr.lib"',
               ],
             },
           },
         ],
       ],
     },
   ],
   'conditions': [
-    ['o3d_in_chrome != 0',
+    ['o3d_in_chrome == "True"',
       {
         'variables': {
           'o3d_main_lib_type': 'static_library',
         },
         'target_defaults': {
           'defines': [
             'O3D_INTERNAL_PLUGIN=1',
           ],
         },
       },
@@ skipping 152 matching lines @@
                   '<(_inputs)',
                 ],
               },
             ],
           },
         ],
       },
     ],
   ],
 }