[Webkit-unassigned] [Bug 48744] New: REGRESSION: rebaseline-chromium-webkit-tests uses non-zero tolerance for image dup detection

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48744

           Summary: REGRESSION: rebaseline-chromium-webkit-tests uses
                    non-zero tolerance for image dup detection
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tkent at chromium.org
                CC: dpranke at chromium.org, mihaip at chromium.org


For example, editing/selection/transformed-selection-rects.html is failing as IMAGE on Mac, and layout-test-results.zip of the canary bot contains .png and .checksum for it.
Then, add "REBASELINE" to the line for it in test_expectations.txt and run the following:
 % rebaseline-chromium-webkit-tests -w

WIN and LINUX results are added to the local working copy, but MAC results are not added.

rebaseline-chromium-webkit-tests uses a port object for Mac (not Chromium-Mac), and port.diff_image() for Mac uses the default tolerance value 0.1.
]

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