TBR: Revert "TBR: Bump mercury version to fix npm install error."
This reverts commit d7a12055f5a0fbc98f724643a6eb371189dff703.
Change-Id: I3d340e047911416e15fe6fa23c4dcc3b71355b51
diff --git a/extension/package.json b/extension/package.json
index eccc7a9..6ddc351 100644
--- a/extension/package.json
+++ b/extension/package.json
@@ -13,7 +13,7 @@
"domready": "~1.0.7",
"insert-css": "^0.2.0",
"lodash": "^3.0.0",
- "mercury": "^14.0.0",
+ "mercury": "^12.0.0",
"xtend": "^4.0.0",
"eventemitter2": "~0.4.14",
"es6-shim": "^0.20.2",