[Webkit-unassigned] [Bug 141585] New: Web Inspector: Some IDL attributes appear on the instances instead of on prototypes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141585

            Bug ID: 141585
           Summary: Web Inspector: Some IDL attributes appear on the
                    instances instead of on prototypes
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Bindings
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: joepeck at webkit.org
                CC: ggaren at apple.com

* SUMMARY
Some IDL attributes appear on instances instead of on prototypes.

    1. JSEvent properties on events ("clipboardData")
      => generated JSEvent::getOwnPropertySlot claims this is an instance's own property

    2. HTMLDocument properties on document ("embeds", ...)
      => JSHTMLDocument::getOwnPropertySlot sets cacheable properties for JSHTMLDocument::info table entries

    3. DOMWindow properties on window ("innerHeight", ...)
      => JSDOMWindow::getOwnPropertySlot sets cacheable properties for JSDOMWindow::info table entries

A side-effect of this, is that these properties do not have expected property descriptors. (They should have appropriate getters/setters and do not).

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