Yosemite 下 chrome 遇到 Similar Items Shopper 广告

[mikasazero]

升级到Yosemite，今天浏览一个不应该有广告的网页弹出了广告，购物介绍的，新手不知道这上图直接IMG吗 ？
广告相关简介

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Similar Items Shopper uses visual search technology to let you instantly compare prices or find similar items on almost any product sold online.

Just click on "See More" button to open this window and find deals. We also identify products you may be interested in and automatically display relevant offers.


Feedback: We want to hear from you. Please send us your feedback to [e-mail]

看看大家有遇到的吗，这个是如何产生的那？在网上找到了一些资料好像和WindowShopper有关系。