Add platform/bindings/ to WATCHLIST of blink-reviews-bindings@

BUG=
[email protected]

Review-Url: https://codereview.chromium.org/2936533002
Cr-Commit-Position: refs/heads/master@{#478538}
diff --git a/WATCHLISTS b/WATCHLISTS
index 1ca13eb2e..2f4f2a9 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -1260,6 +1260,7 @@
                   '|third_party/WebKit/Source/core/rendering/.*Bidi',
     },
     'blink_bindings': {
+      'filepath': 'third_party/WebKit/Source/platform/bindings',
       'filepath': 'third_party/WebKit/Source/bindings',
     },
     'blink_bindings_serialization': {