Remove need for html-class template property

Follow up to 9dcfc1f

This simplifies the template by removing the need for the html-class.
The font-size can be provided to the entire content area meaning we don't
need the link-only class

Change-Id: Id5c49358f6ec007b3205ee390cf68334a1e56de5

includes/SkinVector.php

@@ -445,11 +445,7 @@ class SkinVector extends SkinMustache {
 			$htmlContent = $htmlData['html-content'];
 		}
 
-		$htmlClasses = array_key_exists( 'html-class', $htmlData )
-			? [ 'html-class' => $htmlData['html-class'] ]
-			: [];
-
-		return $headingOptions + $htmlClasses + [
+		return $headingOptions + [
 			'html-content' => $htmlContent,
 		];
 	}
@@ -538,7 +534,6 @@ class SkinVector extends SkinMustache {
 			];
 			$htmlData = [
 				'link' => $optOutUrl,
-				'html-class' => [ 'link-only' ],
 			];
 			$commonSkinData['data-emphasized-sidebar-action'][] = $this->makeSidebarActionData(
 				$htmlData,
@@ -556,8 +551,10 @@ class SkinVector extends SkinMustache {
 			// T295555 Add language switch alert message temporarily (to be removed).
 			if ( $this->shouldLanguageAlertBeInSidebar() && !$parentData['is-mainpage'] ) {
 				$languageSwitchAlert = [
-					'html-content' => $this->msg( 'vector-language-redirect-to-top' )->parse(),
-					'html-class' => [ 'messagebox' ],
+					'html-content' => Html::rawElement( 'div',
+						[ 'class' => 'messagebox' ],
+						$this->msg( 'vector-language-redirect-to-top' )->parse()
+					),
 				];
 				$headingOptions = [
 					'heading' => $this->msg( 'vector-languages' )->plain(),

includes/templates/SidebarAction.mustache

@@ -2,7 +2,7 @@
 <div class="mw-sidebar-action">
 	<div class="mw-sidebar-action-item">
 		{{#heading}}<h3 class="mw-sidebar-action-heading">{{.}}</h3>{{/heading}}
-		<div class="mw-sidebar-action-content{{#html-class}} {{.}}{{/html-class}}">
+		<div class="mw-sidebar-action-content">
 		{{{html-content}}}
 		</div>
 	</div>

resources/skins.vector.styles/components/Sidebar.less

@@ -27,15 +27,19 @@
 			cursor: default;
 		}
 
-		.link-only a {
-			font-size: @font-size-portal-list-item;
-			font-weight: bold;
+		.mw-sidebar-action-content {
+			> * {
+				font-size: @font-size-portal-list-item;
+			}
+
+			> a {
+				font-weight: bold;
+			}
 		}
 
 		// T295555 style overrides for temporary language switch alert (can be removed later ).
 		.messagebox {
 			padding: 0.75em;
-			font-size: @font-size-portal-list-item;
 		}
 	}
 }