[Webkit-unassigned] [Bug 148419] New: [CSS DeviceAdaptation] Fix crash which occurs at visiting webpage using @viewport CSS rule when device adaptation is enabled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=148419

            Bug ID: 148419
           Summary: [CSS DeviceAdaptation] Fix crash which occurs at
                    visiting webpage using @viewport CSS rule when device
                    adaptation is enabled
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jh718.park at samsung.com

Currently width shorthand and height shorthand is not generated by makeprop.pl and the same css property names are already placed in CSSPropertyNames.in.
So with enabled device adaptation, crash occurs when visiting webpage using @viewport rule because there is no shorthand property(width and height) for corresponding longhand property.
This patch prevents the crash.

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