Copy the Cg-to-GLSL converter script alongside the converter...

converter/converter.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 @@
         '../../<(zlibdir)/zlib.gyp:zlib',
         '../../base/base.gyp:base',
         '../../skia/skia.gyp:skia',
         '../compiler/technique/technique.gyp:o3dTechnique',
         '../core/core.gyp:o3dCore',
         '../core/core.gyp:o3dCorePlatform',
         '../import/archive.gyp:o3dArchive',
         '../import/import.gyp:o3dImport',
         '../serializer/serializer.gyp:o3dSerializer',
         '../utils/utils.gyp:o3dUtils',
+        'cgToGLSLConverterScript',
       ],
       'sources': [
         'cross/buffer_stub.cc',
         'cross/buffer_stub.h',
         'cross/converter.cc',
         'cross/converter.h',
         'cross/converter_main.cc',
         'cross/draw_element_stub.h',
         'cross/effect_stub.h',
         'cross/param_cache_stub.h',
@@ skipping 65 matching lines @@
               'VCLinkerTool': {
                 # Set /SUBSYSTEM:CONSOLE for converter.exe, since
                 # it is a console app.
                 'SubSystem': '1',
               },
             },
           },
         ],
       ],
     },
+    {
+      'target_name': 'cgToGLSLConverterScript',
+      'type': 'none',
+      'copies': [
+        {
+          'destination': '<(PRODUCT_DIR)',
+          'files': [
+            '../cg_to_glsl/convert.py',
+          ]
+        },
+      ]
+    },
   ],
 }
 
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