[Webkit-unassigned] [Bug 40301] New: DOM storage should only create databases when needed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=40301

           Summary: DOM storage should only create databases when needed
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: hans at chromium.org
                CC: jorlow at chromium.org


As soon as a page attempts to use localstorage, StorageAreaSync will create an empty database if one does not already exist. This can lead to lots of unnecessary database files. In particular, they are created even when the privacy settings or private browsing mode disallow localstorage data, which may seem odd to the user.

For example, visit http://people.w3.org/mike/localstorage.html and note that ~/Library/Safari/LocalStorage/http_people.w3.org_0.localstorage is created even though no attempt to store any data has been made.

Database creation should be put off in StorageAreaSync until it is time to actually write something to the database.

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