Look for 'number' input type, and add new assets and build (zip) script.

Look for the 'number' input field type as editable. Add new icons and Web Store
promotional images, as well as a script to zip the required files. Remove
executable flag from non-executable files.

BUG=615448
R=ojan@chromium.org

Review URL: https://codereview.chromium.org//2222603002 .
18 files changed
tree: 08b0a65ffc238973e6786aaa2eb1123942254817
  1. go-back-with-backspace/
  2. .gitignore