[Webkit-unassigned] [Bug 109874] Update FeatureObserver on top level navigation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=109874


Kassy Coan <kassycoan at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |abarth at webkit.org,
                   |                            |mikelawther at chromium.org




--- Comment #2 from Kassy Coan <kassycoan at gmail.com>  2013-02-14 16:28:52 PST ---
abarth@ could you take a look at this?

With this update, we are flushing the histogram on top level navigation, in addition to page destruction, in order to get closer to "per page" tracking.

The new enum is for tracking number of pages visited (i.e. total number of histogram flushes). It is in a separate enum, because this statistic is also relevant to CSS tracking, which will be added to FeatureObserver in a separate patch.
There is a place holder in the new enum due do a restriction in histogramEnumeration, which requires there to be 3 or more buckets.

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