ResourceLoader: Remove unused rasterized URL in ImageModule::getCssDeclarations

The code appeared such that `getUrl(,'rasterized')` is still in active
use and somehow exposed, but it wasn't. Remove it as such, since the
parameter isn't used.

Bug: T329127
Bug: T321394
Change-Id: I32209b5c7628eea874dc0dbdb0bb361098fd2da8

2 files changed, 5 insertions, 8 deletions

diff --git a/includes/ResourceLoader/ImageModule.php b/includes/ResourceLoader/ImageModule.php
index b955a758233d..c90b9757ce93 100644
--- a/includes/ResourceLoader/ImageModule.php
+++ b/includes/ResourceLoader/ImageModule.php
@@ -378,21 +378,18 @@ class ImageModule extends Module {
 		$imageDataUri = $this->useDataURI ? $image->getDataUri( $context, $variant, 'original' ) : false;
 		$primaryUrl = $imageDataUri ?: $image->getUrl( $context, $script, $variant, 'original' );
 		$declarations = $this->getCssDeclarations(
-			$primaryUrl,
-			$image->getUrl( $context, $script, $variant, 'rasterized' )
+			$primaryUrl
 		);
 		return implode( "\n\t", $declarations );
 	}
 
 	/**
-	 * This method formerly provided fallback rasterized images for browsers that do not support SVG.
-	 * Now kept for backwards-compatibility.
+	 * Format the CSS declaration for the image (defaults to background-image property).
 	 *
 	 * @param string $primary Primary URI
-	 * @param string $fallback Fallback URI (unused)
-	 * @return string[] CSS declarations to use given URIs as background-image
+	 * @return string[] CSS declarations
 	 */
-	protected function getCssDeclarations( $primary, $fallback ): array {
+	protected function getCssDeclarations( $primary ): array {
 		$primaryUrl = CSSMin::buildUrlValue( $primary );
 		return [
 			"background-image: $primaryUrl;",
diff --git a/tests/phpunit/includes/ResourceLoader/ImageModuleTest.php b/tests/phpunit/includes/ResourceLoader/ImageModuleTest.php
index ba758fca1273..878dafcc8aef 100644
--- a/tests/phpunit/includes/ResourceLoader/ImageModuleTest.php
+++ b/tests/phpunit/includes/ResourceLoader/ImageModuleTest.php
@@ -303,7 +303,7 @@ class ImageModuleTestable extends ImageModule {
 	 * Replace with a stub to make test cases easier to write.
 	 * @inheritDoc
 	 */
-	protected function getCssDeclarations( $primary, $fallback ): array {
+	protected function getCssDeclarations( $primary ): array {
 		return [ '...' ];
 	}
 }