Add gl.dll, compositor.dll, and surface.dll.

chrome/chrome_dll.gypi

 # Copyright (c) 2011 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.
 {
   'target_defaults': {
     'variables': {
       'chrome_dll_target': 0,
     },
     'target_conditions': [
       ['chrome_dll_target==1', {
@@ skipping 641 matching lines @@
             '..',
           ],
           'dependencies': [
             '<@(nacl_win64_dependencies)',
             'chrome_version_resources',
             'nacl_win64',
             '../base/base.gyp:base_i18n_nacl_win64',
           ],
           'defines': [
             '<@(nacl_win64_defines)',
+            # Required to build gl_switches.cc as part of this binary.
+            'GL_IMPLEMENTATION'
           ],
           'sources': [
             'app/chrome_command_ids.h',
             'app/chrome_dll_resource.h',
             'app/chrome_main.cc',
             'app/chrome_main_win.cc',
             # Parsing is needed for the UserDataDir policy which is read much
             # earlier than the initialization of the policy/pref system.
             'browser/policy/policy_path_parser_win.cc',
             'browser/renderer_host/render_process_host_dummy.cc',
@@ skipping 59 matching lines @@
                   'LinkIncremental': '<(msvs_debug_link_nonincremental)',
                 },
               },
             },
           },
         },  # target chrome_dll
       ],
     }],
   ],
 }