- roll out fix for <rdar://problem/5726016> REGRESSION: Xcode News window renders
          incorrectly due to visibility fix

        Removed the Xcode-specific quirk at the request of some folks on the Xcode team.

        * WebCore.base.exp: Rolled out change.
        * css/CSSMutableStyleDeclaration.cpp:
        (WebCore::CSSMutableStyleDeclaration::setProperty): Ditto.
        * page/Settings.cpp:
        (WebCore::Settings::Settings): Ditto. But keep the initialization of
        m_fontRenderingMode.
        (WebCore::Settings::setNeedsXcodeVisibilityQuirk): Removed.
        * page/Settings.h:
        (WebCore::Settings::needsXcodeVisibilityQuirk): Removed.

WebKit/mac:

        - roll out fix for <rdar://problem/5726016> REGRESSION: Xcode News window renders
          incorrectly due to visibility fix

        Removed the Xcode-specific quirk at the request of some folks on the Xcode team.

        * Misc/WebKitVersionChecks.h: Removed the constant.

        * WebView/WebView.mm:
        (-[WebView _needsXcodeVisibilityQuirk]): Removed.
        (-[WebView _preferencesChangedNotification:]): Removed call to
        setNeedsXcodeVisibilityQuirk.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@30196 268f45cc-cd09-0410-ab3c-d52691b4dbfc