Misc doc-only updates, rerun build_sdk.

lib/runtime/dart_sdk.js

Index: lib/runtime/dart_sdk.js
diff --git a/lib/runtime/dart_sdk.js b/lib/runtime/dart_sdk.js
index fb8c4ca6e1c629298d4b6badf728373370a6de6e..87377839d48c13a98456824818fba1b7da1a8a3a 100644
--- a/lib/runtime/dart_sdk.js
+++ b/lib/runtime/dart_sdk.js
@@ -4750,8 +4750,8 @@ dart_library.library('dart_sdk', null, /* Imports */[
           return _internal.MappedIterable$(E, T).new(this, f);
         };
       }
-      where(f) {
-        return new (_internal.WhereIterable$(E))(this, f);
+      where(test) {
+        return new (_internal.WhereIterable$(E))(this, test);
       }
       expand(T) {
         return f => {