Bump to v4.7.0.

_getSymbolsIn.js

@@ -0,0 +1,24 @@
+define(['./_arrayPush', './_getPrototype', './_getSymbols'], function(arrayPush, getPrototype, 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;
+  };
+
+  return getSymbolsIn;
+});