Add UUID support to AWS.util

Author: jeskew

lib/event_listeners.js

@@ -1,6 +1,5 @@
 var AWS = require('./core');
 var SequentialExecutor = require('./sequential_executor');
-var uuid = require('uuid');
 /**
  * The namespace used to register global event listeners for request building
  * and sending.
@@ -97,7 +96,7 @@ AWS.EventListeners = {
       for (var i = 0, iLen = idempotentMembers.length; i < iLen; i++) {
         if (!params[idempotentMembers[i]]) {
           // add the member
-          params[idempotentMembers[i]] = uuid.v4();
+          params[idempotentMembers[i]] = AWS.util.uuid.v4();
         }
       }
       req.params = params;

lib/util.js

@@ -871,6 +871,15 @@ var util = {
     };
 
     process.nextTick(sendRequest);
+  },
+
+  /**
+   * @api private
+   */
+  uuid: {
+    v4: function uuidV4() {
+      return require('uuid').v4();
+    }
   }
 
 };