[Webkit-unassigned] [Bug 41219] New: Add LayoutTestController method which purges all purgeable buffers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=41219

           Summary: Add LayoutTestController method which purges all
                    purgeable buffers
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tonyg at chromium.org
                CC: eric at webkit.org, ap at webkit.org


As discussed in https://bugs.webkit.org/show_bug.cgi?id=40968, there is no good way in a LayoutTest to detect problems that arise from a PurgeableBuffer being purged unexpectedly.

We should add a LayoutTestController method which purges all purgeable buffers so that this scenario can be tested in various contexts (but especially for CachedResources).

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