Generate about:credits page automatically at build time.

chrome/chrome_resources.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': {
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
+    'about_credits_file': '<(SHARED_INTERMEDIATE_DIR)/about_credits.html',
     'repack_locales_cmd': ['python', 'tools/build/repack_locales.py'],
   },
   'targets': [
     {
       'target_name': 'chrome_extra_resources',
       'type': 'none',
       # These resources end up in resources.pak because they are resources
       # used by internal pages.  Putting them in a spearate pak file makes
       # it easier for us to reference them internally.
       'actions': [
@@ skipping 74 matching lines @@
         }],
       ],
     },
     {
       # TODO(mark): It would be better if each static library that needed
       # to run grit would list its own .grd files, but unfortunately some
       # of the static libraries currently have circular dependencies among
       # generated headers.
       'target_name': 'chrome_resources',
       'type': 'none',
+      'dependencies': [
+        'about_credits',
+      ],
       'actions': [
         # Data resources.
         {
           'action_name': 'browser_resources',
           'variables': {
             'grit_grd_file': 'browser/browser_resources.grd',
+            'grit_additional_defines': [
+              '-E', 'about_credits_file=<(about_credits_file)',
+            ],
           },
           'includes': [ '../build/grit_action.gypi' ],
         },
         {
           'action_name': 'common_resources',
           'variables': {
             'grit_grd_file': 'common/common_resources.grd',
           },
           'includes': [ '../build/grit_action.gypi' ],
         },
@@ skipping 305 matching lines @@
         {
           'action_name': 'chrome_unscaled_resources',
           'variables': {
             'grit_grd_file': 'app/theme/chrome_unscaled_resources.grd',
           },
           'includes': [ '../build/grit_action.gypi' ],
         },
       ],
       'includes': [ '../build/grit_target.gypi' ],
     },
+    {
+      'target_name': 'about_credits',
+      'type': 'none',
+      'actions': [
+        {
+          'variables': {
+            'generator_path': '../tools/licenses.py',
+          },
+          'action_name': 'generate_about_credits',
+          'inputs': [
+            # TODO(phajdan.jr): make licenses.py print inputs too.
+            '<(generator_path)',
+          ],
+          'outputs': [
+            '<(about_credits_file)',
+          ],
+          'hard_dependency': 1,
+          'action': ['python',
+                     '<(generator_path)',
+                     'credits',
+                     '<(about_credits_file)',
+          ],
+          'message': 'Generating about:credits.',
+        },
+      ],
+    },
   ], # targets
 }