Add props param to basePickBy.

lodash.js

@@ -3470,12 +3470,9 @@
      */
     function basePick(object, props) {
       object = Object(object);
-      return arrayReduce(props, function(result, key) {
-        if (key in object) {
-          result[key] = object[key];
-        }
-        return result;
-      }, {});
+      return basePickBy(object, props, function(value, key) {
+        return key in object;
+      });
     }
 
     /**
@@ -3483,12 +3480,12 @@
      *
      * @private
      * @param {Object} object The source object.
+     * @param {string[]} props The property identifiers to pick from.
      * @param {Function} predicate The function invoked per property.
      * @returns {Object} Returns the new object.
      */
-    function basePickBy(object, predicate) {
+    function basePickBy(object, props, predicate) {
       var index = -1,
-          props = getAllKeysIn(object),
           length = props.length,
           result = {};
 
@@ -13035,10 +13032,7 @@
      * // => { 'b': '2' }
      */
     function omitBy(object, predicate) {
-      predicate = getIteratee(predicate);
-      return basePickBy(object, function(value, key) {
-        return !predicate(value, key);
-      });
+      return pickBy(object, negate(getIteratee(predicate)));
     }
 
     /**
@@ -13081,7 +13075,7 @@
      * // => { 'a': 1, 'c': 3 }
      */
     function pickBy(object, predicate) {
-      return object == null ? {} : basePickBy(object, getIteratee(predicate));
+      return object == null ? {} : basePickBy(object, getAllKeysIn(object), getIteratee(predicate));
     }
 
     /**