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Bug 1478372, remove unneeded QueryInterface implementation for custom XUL elements as this is now done by nsXULElement::QueryInterface, r=bgrins

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This commit is contained in:
Neil Deakin
2018-09-19 06:46:55 -04:00
parent 6054f3d911
commit 391527bbdf
1 changed files with 3 additions and 5 deletions
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8
toolkit/content/customElements.js
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@@ -110,9 +110,8 @@ class MozXULElement extends XULElement {
}
/**
* Indicate that a class defining an element implements one or more
* XPCOM interfaces. The custom element getCustomInterface is added
* as well as an implementation of QueryInterface.
* Indicate that a class defining a XUL element implements one or more
* XPCOM interfaces by adding a getCustomInterface implementation to it.
*
* The supplied class should implement the properties and methods of
* all of the interfaces that are specified.
@@ -120,10 +119,9 @@ class MozXULElement extends XULElement {
* @param cls
* The class that implements the interface.
* @param names
* Array of interface names
* Array of interface names.
*/
static implementCustomInterface(cls, ifaces) {
cls.prototype.QueryInterface = ChromeUtils.generateQI(ifaces);
cls.prototype.getCustomInterfaceCallback = function getCustomInterfaceCallback(iface) {
if (ifaces.includes(Ci[Components.interfacesByID[iface.number]])) {
return getInterfaceProxy(this);