dfabulich/chrome-why-u-no-scroll — pull request #1 by JinzhaoWu (2013-09-10 06:32:59+00:00)
Title: Update main.css

I had this issue too, but from https://groups.google.com/a/chromium.org/d/msg/chromium-apps/oRI6-D9R6wA/M6fUrlpWrk4J I found a solution that works: "For the record, the magic trick turned out to be setting overflow-y to scroll on the element."