Bug 141913

Summary: run-webkit-tests --new-baseline should not write new result (or delete existing result) if upstream results match
Product: WebKit Reporter: David Kilzer (:ddkilzer) <ddkilzer>
Component: Tools / TestsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ap, dbates, simon.fraser
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   

Description David Kilzer (:ddkilzer) 2015-02-23 10:32:15 PST 
The most annoying thing ever about `run-webkit-tests --new-baseline` is that it writes results even if upstream results match.

We should fix it to do the following:
- Only write new result if the upstream result doesn't match.
- Delete existing result if new result matches upstream result.

See also Bug 47293 about runtime warnings when new "failing" port-specific result matches upstream result.