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pdr@chromium.org authored
This patch adds layout invalidation tracking to the invalidation tracking experiment. Our full design doc is at: https://docs.google.com/document/d/1BXT3_gD--YdbIYMlTzNGsyUUMBCZJ7V5qGJhMA-pGrs/edit This patch implements the invalidation tracking logic for layout events. All layout invalidations are recorded and when a layout occurs they are collected and displayed to the user. Style invalidations occurring at the same time are not shown. This patch is a fairly straightforward extension of [1] but for layout events. The InspectorTest.findTimelineRecord function has been added for capturing the N-th event of a specific type and all other inspector tests updated to use it. [1] https://src.chromium.org/viewvc/blink?view=rev&revision=184212 BUG=410701 Review URL: https://codereview.chromium.org/671913005 git-svn-id: svn://svn.chromium.org/blink/trunk@184269 bbb929c8-8fbe-4397-9dbb-9b2b20218538
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