Add eglGetProcAddress to pgl.

gpu/gpu.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,
     # This is defined here because we need to compile this set of files
     # twice with different defines. Once so it calls real GL, again so it
     # calls mock GL for the unit tests.
@@ skipping 392 matching lines @@
         '../third_party/npapi/npapi.gyp:npapi',
       ],
       'all_dependent_settings': {
         'include_dirs': [
           '../third_party/npapi/bindings',
         ],
       },
       'sources': [
         'pgl/command_buffer_pepper.cc',
         'pgl/command_buffer_pepper.h',
+        'pgl/pgl_proc_address.cc',
         'pgl/pgl.cc',
         'pgl/pgl.h',
       ],
     },
   ],
   'conditions': [
     ['OS == "win"',
       {
         'targets': [
           {
@@ skipping 19 matching lines @@
       },
     ],
   ],
 }
 
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