developerPrivate.repair: Skip not-corrupted and policy extensions

extensions/BUILD.gn

 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//extensions/features/features.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
 assert(enable_extensions)
 
@@ skipping 69 matching lines @@
     "browser/app_window/test_app_window_contents.cc",
     "browser/app_window/test_app_window_contents.h",
     "browser/extension_error_test_util.cc",
     "browser/extension_error_test_util.h",
     "browser/extensions_test.cc",
     "browser/extensions_test.h",
     "browser/guest_view/mime_handler_view/test_mime_handler_view_guest.cc",
     "browser/guest_view/mime_handler_view/test_mime_handler_view_guest.h",
     "browser/mock_extension_system.cc",
     "browser/mock_extension_system.h",
+    "browser/mock_external_provider.cc",
+    "browser/mock_external_provider.h",
     "browser/scoped_ignore_content_verifier_for_test.cc",
     "browser/scoped_ignore_content_verifier_for_test.h",
     "browser/test_extension_registry_observer.cc",
     "browser/test_extension_registry_observer.h",
     "browser/test_extensions_browser_client.cc",
     "browser/test_extensions_browser_client.h",
     "browser/test_image_loader.cc",
     "browser/test_image_loader.h",
     "browser/test_management_policy.cc",
     "browser/test_management_policy.h",
@@ skipping 256 matching lines @@
     "//testing/gtest",
     "//third_party/hunspell",
     "//third_party/icu",
     "//third_party/libpng",
     "//third_party/zlib",
     "//ui/base:test_support",
     "//ui/resources:ui_test_pak",
     "//ui/web_dialogs:test_support",
   ]
 }