Colin Blundell f813fdb8da Revert "Add image_diff from the chromium repo."
This reverts commit ac5097e515ce8237ead2c89bc61dc914cb75313b.

Reason for revert:

Breaks compile on the ASan bot (e.g., http://build.chromium.org/p/client.mojo/builders/Mojo%20Linux%20ASan/builds/95/steps/mojob%20build/logs/stdio).

TBR=ojan

Review URL: https://codereview.chromium.org/800773002
2014-12-12 08:07:49 +01:00
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