Clean content_settings_pattern_parser.* from unnecessary dependencies.

components/content_settings.gypi

Index: components/content_settings.gypi
diff --git a/components/content_settings.gypi b/components/content_settings.gypi
index 478aa866f1a17912f27d32768b74b5c97edd4beb..af6759017835bf7d513171b57b0aa0969e54afbc 100644
--- a/components/content_settings.gypi
+++ b/components/content_settings.gypi
@@ -7,13 +7,15 @@
     {
       # GN version: //components/content_settings/core/common
       'target_name': 'content_settings_core_common',
-      'type': 'none',
+      'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'content_settings/core/common/content_settings_types.h',
+        'content_settings/core/common/embedder_variables.cc',
+        'content_settings/core/common/embedder_variables.h',
       ],
     },
   ],