[Webkit-unassigned] [Bug 180494] New: Web app manifests can't be loaded from the cache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180494

            Bug ID: 180494
           Summary: Web app manifests can't be loaded from the cache
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: david_quesada at apple.com

While debugging the fetching of web app manifests, I noticed that manifests don't seem to get loaded from the cache where expected, due to an encoding-related mismatch between additional requests and the cached resource. After fixing that, using a cached manifest crashes due to ApplicationManifestLoader::startLoading() reporting a finished load synchronously before DocumentLoader::loadApplicationManifest() returns its callback ID to the caller. This confuses WebPage, which receives notification about a loaded manifest with an unrecognized callback ID.

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