Add an event filter to log the time between keystrokes.
commit7a80cdd8cda7167c11a674f3ba87c97a90ceee72
authorstevet@chromium.org <stevet@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Thu, 26 Sep 2013 09:20:53 +0000 (26 09:20 +0000)
committerstevet@chromium.org <stevet@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Thu, 26 Sep 2013 09:20:53 +0000 (26 09:20 +0000)
tree0169b6a923c17c94a82ceae782abad4c9edd2715
parent9b2295c09026c93b1ad04cb1c11d4a4fc9550f72
Add an event filter to log the time between keystrokes.

BUG=292290

TEST=In an Aura enabled version of Chrome, type a bunch of words into the Omnibox. Then visit about:histograms and ensure that a Keyboard.KeystrokeDeltas histogram exists with various values.

Review URL: https://codereview.chromium.org/24409002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225415 0039d316-1c4b-4281-b951-d872f2087c98
ash/ash.gyp
ash/keyboard_uma_event_filter.cc [new file with mode: 0644]
ash/keyboard_uma_event_filter.h [new file with mode: 0644]
ash/shell.cc
ash/shell.h
tools/metrics/histograms/histograms.xml