Bump to v4.7.0.

_getSymbolsIn.js

@@ -0,0 +1,25 @@
+import arrayPush from './_arrayPush';
+import getPrototype from './_getPrototype';
+import getSymbols from './_getSymbols';
+
+/** Built-in value references. */
+var getOwnPropertySymbols = Object.getOwnPropertySymbols;
+
+/**
+ * Creates an array of the own and inherited enumerable symbol properties
+ * of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of symbols.
+ */
+var getSymbolsIn = !getOwnPropertySymbols ? getSymbols : function(object) {
+  var result = [];
+  while (object) {
+    arrayPush(result, getSymbols(object));
+    object = getPrototype(object);
+  }
+  return result;
+};
+
+export default getSymbolsIn;