[Webkit-unassigned] [Bug 70816] New: Get rid of optional parameters in the middle in IDLs.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70816

           Summary: Get rid of optional parameters in the middle in IDLs.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: podivilov at chromium.org


Get rid of optional parameters in the middle in IDLs.

Optional parameters in the middle are prohibited by WebIDL spec.

There are two places where we use them:
1) DOMWindow.idl postMessage(in SerializedScriptValue message, in [Optional] Array messagePorts, in DOMString targetOrigin)
which actually means
postMessage(in SerializedScriptValue message, in DOMString targetOrigin)
postMessage(in SerializedScriptValue message, in Array messagePorts, in DOMString targetOrigin)

2) CanvasRenderingContext2D.idl putImageData(in ImageData imagedata, in float dx, in float dy, in [Optional] float dirtyX, in float dirtyY, in float dirtyWidth, in float dirtyHeight)
which actually means
putImageData(in ImageData imagedata, in float dx, in float dy)
putImageData(in ImageData imagedata, in float dx, in float dy, in float dirtyX, in float dirtyY, in float dirtyWidth, in float dirtyHeight)

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