[Webkit-unassigned] [Bug 204162] New: Web Inspector: including `generatePreview` in inspector/model/remote-object-weak-collection.html prevents the WeakMap key from being collected

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=204162

            Bug ID: 204162
           Summary: Web Inspector: including `generatePreview` in
                    inspector/model/remote-object-weak-collection.html
                    prevents the WeakMap key from being collected
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: drousso at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

Adding `generatePreview: true` to the `WI.runtimeManager.evaluateInInspectedWindow` call in 'inspector/model/remote-object-weak-collection.html' sometimes causes `window.strongKey2` to still exist after the `delete window.strongKey2;` evaluation.

This doesn't reproduce when tested manually using Web Inspector (e.g. opening the test HTML file in a browser and manually evaluating each `expression` inside `steps`).

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