Cross Reference: /external/chromium_org/tools/imagediff

`Name`	`Date`	`Size`
Up to higher level directory
`DEPS`	06-Dec-2013	`81`
`image_diff.cc`	06-Dec-2013	`11.7K`
`image_diff.gyp`	06-Dec-2013	`1K`
`image_diff_png.cc`	06-Dec-2013	`20.1K`
`image_diff_png.h`	06-Dec-2013	`1.1K`