Move all benchmarks to use registerBenchmark and BenchmarkInfo

benchmark/single-source/ClassArrayGetter.swift

@@ -10,6 +10,13 @@
 //
 //===----------------------------------------------------------------------===//
 
+import TestsUtils
+
+public let ClassArrayGetter = BenchmarkInfo(
+  name: "ClassArrayGetter",
+  runFunction: run_ClassArrayGetter,
+  tags: [.validation, .api, .Array])
+
 class Box {
   var v: Int
   init(v: Int) { self.v = v }