[css-font-loading] Expose CSSFontFontFaceLoadEvent to workers properly.

Author: tabatkins

css-font-loading/Overview.bs

@@ -359,7 +359,8 @@ The <code>FontFaceSet</code> Interface</h2>
 			sequence&lt;FontFace> fontfaces = [];
 		};
 
-		[Constructor(DOMString type, optional CSSFontFaceLoadEventInit eventInitDict)]
+		[Constructor(DOMString type, optional CSSFontFaceLoadEventInit eventInitDict),
+		 Exposed=Window,Worker]
 		interface CSSFontFaceLoadEvent : Event {
 			readonly attribute sequence&lt;FontFace> fontfaces;
 		};

css-font-loading/Overview.html

@@ -470,7 +470,8 @@ <h2 class="heading settled heading" data-level=3 id=FontFaceSet-interface><span
   sequence&lt;<a data-link-type=idl href=#dom-fontface title=fontface>FontFace</a>&gt; <dfn class=idl-code data-dfn-for=CSSFontFaceLoadEventInit data-dfn-type=dict-member data-export="" data-global-name="CSSFontFaceLoadEventInit<dictionary>/fontfaces<dict-member>" id=dom-cssfontfaceloadeventinit-fontfaces>fontfaces<a class=self-link href=#dom-cssfontfaceloadeventinit-fontfaces></a></dfn> = [];
 };
 
-[Constructor(DOMString <dfn class=idl-code data-dfn-for=CSSFontFaceLoadEvent/CSSFontFaceLoadEvent() data-dfn-type=argument data-export="" data-global-name="CSSFontFaceLoadEvent<interface>/CSSFontFaceLoadEvent()<method>/type<argument>" id=dom-cssfontfaceloadeventcssfontfaceloadevent-type>type<a class=self-link href=#dom-cssfontfaceloadeventcssfontfaceloadevent-type></a></dfn>, optional <a data-link-type=idl href=#dictdef-cssfontfaceloadeventinit title=cssfontfaceloadeventinit>CSSFontFaceLoadEventInit</a> <dfn class=idl-code data-dfn-for=CSSFontFaceLoadEvent/CSSFontFaceLoadEvent() data-dfn-type=argument data-export="" data-global-name="CSSFontFaceLoadEvent<interface>/CSSFontFaceLoadEvent()<method>/eventinitdict<argument>" id=dom-cssfontfaceloadeventcssfontfaceloadevent-eventinitdict>eventInitDict<a class=self-link href=#dom-cssfontfaceloadeventcssfontfaceloadevent-eventinitdict></a></dfn>)]
+[Constructor(DOMString <dfn class=idl-code data-dfn-for=CSSFontFaceLoadEvent/CSSFontFaceLoadEvent() data-dfn-type=argument data-export="" data-global-name="CSSFontFaceLoadEvent<interface>/CSSFontFaceLoadEvent()<method>/type<argument>" id=dom-cssfontfaceloadeventcssfontfaceloadevent-type>type<a class=self-link href=#dom-cssfontfaceloadeventcssfontfaceloadevent-type></a></dfn>, optional <a data-link-type=idl href=#dictdef-cssfontfaceloadeventinit title=cssfontfaceloadeventinit>CSSFontFaceLoadEventInit</a> <dfn class=idl-code data-dfn-for=CSSFontFaceLoadEvent/CSSFontFaceLoadEvent() data-dfn-type=argument data-export="" data-global-name="CSSFontFaceLoadEvent<interface>/CSSFontFaceLoadEvent()<method>/eventinitdict<argument>" id=dom-cssfontfaceloadeventcssfontfaceloadevent-eventinitdict>eventInitDict<a class=self-link href=#dom-cssfontfaceloadeventcssfontfaceloadevent-eventinitdict></a></dfn>),
+ Exposed=Window,Worker]
 interface <dfn class=idl-code data-dfn-type=interface data-export="" data-global-name="" id=dom-cssfontfaceloadevent>CSSFontFaceLoadEvent<a class=self-link href=#dom-cssfontfaceloadevent></a></dfn> : <a data-link-type=idl href=http://dom.spec.whatwg.org/#event title=event>Event</a> {
   readonly attribute sequence&lt;<a data-link-type=idl href=#dom-fontface title=fontface>FontFace</a>&gt; <dfn class=idl-code data-dfn-for=CSSFontFaceLoadEvent data-dfn-type=attribute data-export="" data-global-name="CSSFontFaceLoadEvent<interface>/fontfaces<attribute>" data-readonly="" data-type="sequence<FontFace> " id=dom-cssfontfaceloadevent-fontfaces>fontfaces<a class=self-link href=#dom-cssfontfaceloadevent-fontfaces></a></dfn>;
 };