tree befe129f1d6443e66b7937f4a2ba5d94210b684e
parent 2882c57910e0e91fa0be070871a9258548364825
author epoger@google.com <epoger@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> 1355758050 +0000
committer epoger@google.com <epoger@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> 1355758050 +0000

Add --writeJsonSummary option to gm

This writes out a JSON file containing expected and actual checksum values for every test.
Next step: allow the same checksum file to be compared against, instead of PNG files.
Review URL: https://codereview.appspot.com/6940053

git-svn-id: http://skia.googlecode.com/svn/trunk@6843 2bbb7eff-a529-9590-31e7-b0007b416f81