[Webkit-unassigned] [Bug 216715] New: Allow about:blank subframe loads for non app-bound top frames

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216715

            Bug ID: 216715
           Summary: Allow about:blank subframe loads for non app-bound top
                    frames
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: katherine_cheney at apple.com

In the original implementation of App Bound Domains, any loads using certain protocols like about: were automatically considered app-bound. When a subframe loads about:blank for example, this forces web views into app-bound mode even if the top frame is not app-bound. An idea is to refer to the security origin of the top frame in this case to determine if a subframe should be considered app-bound.

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