sources:
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  chromium-25.0.1364.172.tar.xz: 5f0919f5bc7deda3fdb0f64b3469e28e7f309258
  chromium-26.0.1410.46.tar.xz: 973753825d41b8e1e7e7eed6749099bb7be400bc
  chromium-26.0.1410.63.tar.xz: d8f8cc4119c56f2a0bd0a5ad81d88cfb2f89d25d