Consolidate manifest handler registration.

chrome/chrome_tests_unit.gypi

Index: chrome/chrome_tests_unit.gypi
diff --git a/chrome/chrome_tests_unit.gypi b/chrome/chrome_tests_unit.gypi
index 1fd698fcc3a12a640d3e5031d9acf1ac780376e2..8f76712fd185925614fad24e78ad82016a56b2e5 100644
--- a/chrome/chrome_tests_unit.gypi
+++ b/chrome/chrome_tests_unit.gypi
@@ -1568,7 +1568,6 @@
         'common/extensions/extension_set_unittest.cc',
         'common/extensions/extension_sync_type_unittest.cc',
         'common/extensions/extension_unittest.cc',
-        'common/extensions/extension_unittest.h',
         'common/extensions/feature_switch_unittest.cc',
         'common/extensions/features/base_feature_provider_unittest.cc',
         'common/extensions/features/complex_feature_unittest.cc',
@@ -1881,12 +1880,19 @@
             ['exclude', '^browser/extensions/api/'],
             ['exclude', '^browser/sync/glue/chrome_extensions_activity_monitor_unittest.cc'],
             ['exclude', '^common/extensions/api/'],
+            ['exclude', '^common/extensions/manifest_handlers/'],
+            ['exclude', '^common/extensions/manifest_tests/'],
           ],
           'sources!': [
             'browser/extensions/extension_context_menu_model_unittest.cc',
+            'browser/extensions/extension_protocols_unittest.cc',
             'browser/extensions/extension_ui_unittest.cc',
             'browser/extensions/pack_extension_unittest.cc',
             'browser/extensions/permissions_updater_unittest.cc',
+            'browser/extensions/sandboxed_unpacker_unittest.cc',
+            'common/extensions/extension_sync_type_unittest.cc',
+            'common/extensions/permissions/permission_set_unittest.cc',
+            'common/extensions/unpacker_unittest.cc',
           ],
         }],
         ['use_ash==1', {