[Webkit-unassigned] [Bug 119430] New: Make diagnosing bugs in frame load transitions easier (Better logging and assertions)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=119430

           Summary: Make diagnosing bugs in frame load transitions easier
                    (Better logging and assertions)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: beidson at apple.com
                CC: simon.fraser at apple.com


Make diagnosing bugs in frame load transitions easier (Better logging and assertions)

Requested in https://bugs.webkit.org/show_bug.cgi?id=119416, which was a subtle variant of https://bugs.webkit.org/show_bug.cgi?id=117112

There are UIProcess-side ASSERTs that capture these types of issues, but they should be in the WebProcess-side.

Also the logging about frame load state transitions should be bulked up enough to describe what's going on.  This includes the URL transitioning from, the URL transitioning to, the current state, the state being changed to, and the driver behind a transition (when available)

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