This one is similar to T182059 but the browser is Google Chrome itself! The download button is shown when the page is loaded using a older version of Google Chrome (version 36.0.1985.135). Tapping the button does nothing.
Browser name: Chrome
Browser supplier: Google
Browser version: 36.0.1985.135
Android version: 4.4.2
Device model: LG-X147
Download icon shown in older version of Google Chrome
Share menu in older version of Google Chrome. Note that it doesn't have a "Print" option in menu unlike the newer version. Instead it had a separate options for "Print" in the Context menu of the browser.
Share menu in newer version of Google Chrome. Note that it has a "Print" option in menu. It did not have a separate "Print" option in the context menu.