Mojo C++ bindings: make the generator use STL/WTF string/vector/map by default.

media/mojo/interfaces/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//mojo/public/tools/bindings/mojom.gni")
 
 mojom("interfaces") {
   sources = [
     "audio_decoder.mojom",
     "audio_output.mojom",
@@ skipping 13 matching lines @@
   }
 
   if (is_android) {
     sources += [ "provision_fetcher.mojom" ]
   }
 
   public_deps = [
     "//ui/gfx/geometry/mojo",
     "//url/mojo:url_mojom_gurl",
   ]
+
+  use_new_wrapper_types = false
 }
 
 mojom("image_capture") {
   sources = [
     "image_capture.mojom",
   ]
+
+  use_new_wrapper_types = false
 }