ash: Add UMA stats to DisplayColorManager

Desktop / Chromium - Daniele Castagna [] - 10 October 2017 13:19 EDT

Add three UMA stats to DisplayColorManager:
- Whether a display has "CTM" property.
- Whether we could parse a valid product ID.
- If we could find an ICC file given a valid product ID.

The goal of these UMA stats is to investigate the effectiveness of the ICC service ChromeOS currently use for color management.

Bug: 771345 Change-Id: Ib78f7c0c1661393dd5a93f99147a12aeeaa55281 Reviewed-on:

c08fc33 ash: Add UMA stats to DisplayColorManager.
ash/display/ | 11 +++++++++-
tools/metrics/histograms/histograms.xml | 29 +++++++++++++++++++++++++++
2 files changed, 39 insertions(+), 1 deletion(-)


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