Implement some cross-browser practices (#473)

* Add mozilla plugin key to manifest

* Move all chrome references into platform-checking module

Addresses #453

* Add chrome global back to linter blacklist

* Add tests

1 files changed, 5 insertions, 0 deletions

diff --git a/app/manifest.json b/app/manifest.json
index 2c5629f7a..4cca79c72 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -37,6 +37,11 @@
       "all_frames": false
     }
   ],
+  "applications": {
+    "gecko": {
+      "id": "MOZILLA_EXTENSION_ID"
+    }
+  },
   "permissions": [
     "notifications",
     "storage",