ui: Repack resources.

ui/ui_resources.gypi

Index: ui/ui_resources.gypi
diff --git a/ui/ui_resources.gypi b/ui/ui_resources.gypi
index 8336ef39828410366e94978ccbfd9287b91c6f5b..6a557bfc2fa0f138657449f8e31a8ac415c71e58 100644
--- a/ui/ui_resources.gypi
+++ b/ui/ui_resources.gypi
@@ -35,5 +35,39 @@
       ],
       'includes': [ '../build/grit_target.gypi' ],
     },
+    {
+      # We build a minimal set of resources so WebKit in content_shell has
+      # access to necessary resources.
+      'target_name': 'ui_test_pak',
+      'type': 'none',
+      'dependencies': [
+        'base/strings/ui_strings.gyp:ui_strings',
+        'ui_resources',
+      ],
+      'variables': {
+        'repack_path': '../tools/grit/grit/format/repack.py',
+      },
+      'actions': [
+        {
+          'action_name': 'repack_ui_test_pack',
+          'variables': {
+            'pak_inputs': [
+              '<(SHARED_INTERMEDIATE_DIR)/ui/app_locale_settings/app_locale_settings_en-US.pak',
+              '<(SHARED_INTERMEDIATE_DIR)/ui/ui_resources/ui_resources_100_percent.pak',
+              '<(SHARED_INTERMEDIATE_DIR)/ui/ui_resources/webui_resources.pak',
+              '<(SHARED_INTERMEDIATE_DIR)/ui/ui_strings/ui_strings_en-US.pak',
+            ],
+          },
+          'inputs': [
+            '<(repack_path)',
+            '<@(pak_inputs)',
+          ],
+          'outputs': [
+            '<(PRODUCT_DIR)/ui_test.pak',
+          ],
+          'action': ['python', '<(repack_path)', '<@(_outputs)', '<@(pak_inputs)'],
+        },
+      ],
+    },
   ],
 }