chore(desktop): drop Chromium switches that no longer exist (#2660)

fluxer_desktop/src/main/PlatformInfo.test.mjs

@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import assert from 'node:assert/strict';
+import {readFileSync} from 'node:fs';
+import {createRequire} from 'node:module';
+import {describe, test} from 'node:test';
+import {fileURLToPath} from 'node:url';
+import vm from 'node:vm';
+
+const require = createRequire(import.meta.url);
+const esbuild = require('esbuild');
+
+const sourcePath = fileURLToPath(new URL('./PlatformInfo.ts', import.meta.url));
+const source = readFileSync(sourcePath, 'utf8');
+const transformedSource = esbuild.transformSync(source, {
+	loader: 'ts',
+	format: 'cjs',
+	platform: 'node',
+	target: 'node20',
+}).code;
+
+function loadPlatformInfo(platform = 'win32') {
+	const app = {
+		getVersion: () => '0.0.0-test',
+		commandLine: {
+			getSwitchValue: () => '',
+			hasSwitch: () => true,
+		},
+	};
+	const osModule = {
+		arch: () => 'x64',
+		release: () => '10.0.26100',
+	};
+
+	function requireStub(specifier) {
+		if (specifier === 'node:module') {
+			return {
+				createRequire: () => (moduleSpecifier) => {
+					throw new Error(`Unexpected native module require: ${moduleSpecifier}`);
+				},
+			};
+		}
+		if (specifier === 'node:os') return osModule;
+		if (specifier === 'electron') return {app};
+		if (specifier === '@electron/common/BuildChannel') return {BUILD_CHANNEL: 'stable'};
+		if (specifier === '@electron/common/UserDataPath') return {isPortableMode: () => false};
+		if (specifier === '@electron/main/LinuxSandbox') {
+			return {getFlatpakAppId: () => null, isFlatpakRuntime: () => false};
+		}
+		throw new Error(`Unexpected import: ${specifier}`);
+	}
+
+	const module = {exports: {}};
+	const context = vm.createContext({
+		require: requireStub,
+		module,
+		exports: module.exports,
+		process: {
+			...process,
+			platform,
+			env: {},
+			versions: {...process.versions},
+			getSystemVersion: () => '10.0.26100',
+		},
+		console,
+	});
+	vm.runInContext(transformedSource, context, {filename: sourcePath});
+	return module.exports;
+}
+
+describe('PlatformInfo Chromium runtime diagnostics', () => {
+	test('never reports Media Foundation H.264 switches that Chromium no longer has', async () => {
+		const module = loadPlatformInfo('win32');
+
+		const info = await module.getDesktopInfo({nativeProbes: false});
+
+		const switches = [...info.chromiumRuntime.switches];
+
+		assert.deepEqual(
+			switches.filter((name) => name.startsWith('enable-h264-mf')),
+			[],
+		);
+		assert.equal(switches.includes('enable-libopenh264'), true);
+	});
+});