LibWeb: Add comments and missing items of various IDL files

Userland/Libraries/LibWeb/HTML/Canvas/CanvasCompositing.idl

@@ -1,6 +1,6 @@
 // https://html.spec.whatwg.org/multipage/canvas.html#canvascompositing
 interface mixin CanvasCompositing {
-  // compositing
-  attribute unrestricted double globalAlpha; // (default 1.0)
-// FIXME:  attribute DOMString globalCompositeOperation; // (default "source-over")
+    // compositing
+    attribute unrestricted double globalAlpha; // (default 1.0)
+    // FIXME:  attribute DOMString globalCompositeOperation; // (default "source-over")
 };

Userland/Libraries/LibWeb/HTML/CanvasPattern.idl

@@ -1,5 +1,5 @@
 [Exposed=(Window,Worker)]
 interface CanvasPattern {
-  // opaque object
-  // FIXME: undefined setTransform(optional DOMMatrix2DInit transform = {});
+    // opaque object
+    // FIXME: undefined setTransform(optional DOMMatrix2DInit transform = {});
 };

Userland/Libraries/LibWeb/HTML/NavigationCurrentEntryChangeEvent.idl

@@ -5,14 +5,14 @@
 // https://html.spec.whatwg.org/multipage/nav-history-apis.html#the-navigationcurrententrychangeevent-interface
 [Exposed=Window]
 interface NavigationCurrentEntryChangeEvent : Event {
-  constructor(DOMString type, NavigationCurrentEntryChangeEventInit eventInitDict);
+    constructor(DOMString type, NavigationCurrentEntryChangeEventInit eventInitDict);
 
-  readonly attribute NavigationType? navigationType;
-  readonly attribute NavigationHistoryEntry from;
+    readonly attribute NavigationType? navigationType;
+    readonly attribute NavigationHistoryEntry from;
 };
 
 dictionary NavigationCurrentEntryChangeEventInit : EventInit {
-  // FIXME: Set default value of null when IDL generator supports it
-  NavigationType? navigationType;
-  required NavigationHistoryEntry from;
+    // FIXME: Set default value of null when IDL generator supports it
+    NavigationType? navigationType;
+    required NavigationHistoryEntry from;
 };

Userland/Libraries/LibWeb/HTML/NavigatorLanguage.idl

@@ -1,7 +1,7 @@
 // https://html.spec.whatwg.org/multipage/system-state.html#navigatorlanguage
 interface mixin NavigatorLanguage {
-  readonly attribute DOMString language;
-  // FIXME: readonly attribute FrozenArray<DOMString> languages;
-  //        This is supposed to be a FrozenArray that always returns the same object
-  readonly attribute sequence<DOMString> languages;
+    readonly attribute DOMString language;
+    // FIXME: readonly attribute FrozenArray<DOMString> languages;
+    //        This is supposed to be a FrozenArray that always returns the same object
+    readonly attribute sequence<DOMString> languages;
 };

Userland/Libraries/LibWeb/HTML/TextMetrics.idl

@@ -1,19 +1,19 @@
 // https://html.spec.whatwg.org/multipage/canvas.html#textmetrics
 [Exposed=Window]
 interface TextMetrics {
-  // x-direction
-  readonly attribute double width; // advance width
-  readonly attribute double actualBoundingBoxLeft;
-  readonly attribute double actualBoundingBoxRight;
+    // x-direction
+    readonly attribute double width; // advance width
+    readonly attribute double actualBoundingBoxLeft;
+    readonly attribute double actualBoundingBoxRight;
 
-  // y-direction
-  readonly attribute double fontBoundingBoxAscent;
-  readonly attribute double fontBoundingBoxDescent;
-  readonly attribute double actualBoundingBoxAscent;
-  readonly attribute double actualBoundingBoxDescent;
-  readonly attribute double emHeightAscent;
-  readonly attribute double emHeightDescent;
-  readonly attribute double hangingBaseline;
-  readonly attribute double alphabeticBaseline;
-  readonly attribute double ideographicBaseline;
+    // y-direction
+    readonly attribute double fontBoundingBoxAscent;
+    readonly attribute double fontBoundingBoxDescent;
+    readonly attribute double actualBoundingBoxAscent;
+    readonly attribute double actualBoundingBoxDescent;
+    readonly attribute double emHeightAscent;
+    readonly attribute double emHeightDescent;
+    readonly attribute double hangingBaseline;
+    readonly attribute double alphabeticBaseline;
+    readonly attribute double ideographicBaseline;
 };