Revert "Make protobuf enums canonical for ReadState/WriteState/ConnectState."

extensions/extensions.gyp

Index: extensions/extensions.gyp
diff --git a/extensions/extensions.gyp b/extensions/extensions.gyp
index 9c28412ee1cf840eb27ffbc5603020971c96ee81..e5303964a75ab6cd0c46633a6c1b25e152dbfe4c 100644
--- a/extensions/extensions.gyp
+++ b/extensions/extensions.gyp
@@ -284,7 +284,7 @@
         '../skia/skia.gyp:skia',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         'browser/api/api_registration.gyp:extensions_api_registration',
-        'common/api/api.gyp:cast_channel_proto',
+        'cast_channel_proto',
         'common/api/api.gyp:extensions_api',
         'extensions_common',
         'extensions_strings.gyp:extensions_strings',
@@ -1021,7 +1021,7 @@
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
-        'common/api/api.gyp:cast_channel_proto',
+        'cast_channel_proto',
         'extensions_common',
         'extensions_renderer',
         'extensions_resources.gyp:extensions_resources',
@@ -1131,5 +1131,20 @@
         }],
       ],
     },
+    {
+      # Protobuf compiler / generator for chrome.cast.channel-related protocol buffers.
+      # GN version: //extensions/browser/api/cast_channel:cast_channel_proto
+      'target_name': 'cast_channel_proto',
+      'type': 'static_library',
+      'sources': [
+          'browser/api/cast_channel/cast_channel.proto',
+          'browser/api/cast_channel/logging.proto'
+      ],
+      'variables': {
+          'proto_in_dir': 'browser/api/cast_channel',
+          'proto_out_dir': 'extensions/browser/api/cast_channel',
+      },
+      'includes': [ '../build/protoc.gypi' ]
+    },
   ]
 }