[runtime] Port simple String.prototype.indexOf cases to TF Builtin

src/builtins/builtins-array.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/builtins/builtins.h"
 #include "src/builtins/builtins-utils.h"
 
 #include "src/code-factory.h"
 #include "src/contexts.h"
 #include "src/elements.h"
@@ skipping 126 matching lines @@
   return true;
 }
 
 MUST_USE_RESULT static Object* CallJsIntrinsic(Isolate* isolate,
                                                Handle<JSFunction> function,
                                                BuiltinArguments args) {
   HandleScope handleScope(isolate);
   int argc = args.length() - 1;
   ScopedVector<Handle<Object>> argv(argc);
   for (int i = 0; i < argc; ++i) {
-    argv[i] = args.at<Object>(i + 1);
+    argv[i] = args.at(i + 1);
   }
   RETURN_RESULT_OR_FAILURE(
       isolate,
       Execution::Call(isolate, function, args.receiver(), argc, argv.start()));
 }
 }  // namespace
 
 BUILTIN(ArrayPush) {
   HandleScope scope(isolate);
   Handle<Object> receiver = args.receiver();
@@ skipping 2604 matching lines @@
         Runtime::kThrowIncompatibleMethodReceiver, context,
         assembler.HeapConstant(assembler.factory()->NewStringFromAsciiChecked(
             "Array Iterator.prototype.next", TENURED)),
         iterator);
     assembler.Return(result);
   }
 }
 
 }  // namespace internal
 }  // namespace v8