mozilla-b2g/gaia — pull request #4450 by alivedise (2012-09-07 10:29:29+00:00)
Title: Wallpaper settings

#### This PR ####
1. Add web activity to pick wallpaper in homescreen app.
2. Add web activity to pick wallpaper in settings app.

#### Notice ####
1. The activity name of `Wallpaper pick` is undetemined. Using `pick` here temporarily.
2. This activity accepts an image's dataURL now.
3. You should reset-gaia after this landed.
4. Need to wait @DavidFlanagan 's gallery app to pass a dataURL.
5. Settings app part need VISUAL Input.

c.c. @vingtetun, @timdream