Mojo JS bindings: flip the default value of use_new_js_bindings to true.

mojo/public/interfaces/bindings/tests/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("../../../tools/bindings/mojom.gni")
 
 group("tests") {
   testonly = true
   deps = [
     ":test_interfaces",
@@ skipping 51 matching lines @@
     "test_structs.mojom",
     "test_sync_methods.mojom",
     "test_unions.mojom",
     "validation_test_interfaces.mojom",
   ]
   public_deps = [
     ":echo",
     ":test_mojom_import",
     ":test_mojom_import2",
   ]
-  use_new_js_bindings = true
 
   # TODO(crbug.com/714018): Convert the implementation to use OnceCallback.
   use_once_callback = false
 }
 
 component("test_export_component") {
   testonly = true
   deps = [
     ":test_export",
   ]
@@ skipping 19 matching lines @@
   if (!is_ios) {
     export_class_attribute_blink = "MOJO_TEST_BLINK_EXPORT"
     export_define_blink = "MOJO_TEST_BLINK_IMPLEMENTATION=1"
     export_header_blink =
         "mojo/public/cpp/bindings/tests/mojo_test_blink_export.h"
   }
   visibility = [ ":test_export_component" ]
   if (!is_ios) {
     visibility_blink = [ ":test_export_blink_component" ]
   }
-  use_new_js_bindings = true
 }
 
 mojom("test_exported_import") {
   testonly = true
   sources = [
     "test_import.mojom",
   ]
   public_deps = [
     ":test_export",
   ]
 
   overridden_deps = [ ":test_export" ]
   component_deps = [ ":test_export_component" ]
   if (!is_ios) {
     overridden_deps_blink = [ ":test_export" ]
     component_deps_blink = [ ":test_export_blink_component" ]
   }
-  use_new_js_bindings = true
 }
 
 # Used to test that it is okay to call mojom::Foo::Serialize()/Deserialize()
 # even if the mojom target is linked into another component.
 #
 # We don't use |test_export_component| for this test because
 # //mojo/public/cpp/bindings/tests depends on both |test_export_component| and
 # |test_exported_import| and therefore actually get the shared cpp sources of
 # test_export.mojom from |test_exported_import|.
 component("test_export_component2") {
   testonly = true
   public_deps = [
     ":test_export2",
   ]
 }
 
 mojom("test_export2") {
   testonly = true
   sources = [
     "test_export2.mojom",
   ]
   export_class_attribute = "MOJO_TEST_EXPORT"
   export_define = "MOJO_TEST_IMPLEMENTATION=1"
   export_header = "mojo/public/cpp/bindings/tests/mojo_test_export.h"
   visibility = [ ":test_export_component2" ]
-  use_new_js_bindings = true
 }
 
 mojom("test_mojom_import") {
   testonly = true
   sources = [
     "sample_import.mojom",
   ]
-  use_new_js_bindings = true
 }
 
 mojom("test_mojom_import_wrapper") {
   testonly = true
   public_deps = [
     ":test_mojom_import",
   ]
 }
 
 mojom("test_mojom_import_wrapper_wrapper") {
   testonly = true
   public_deps = [
     ":test_mojom_import_wrapper",
   ]
 }
 
 mojom("test_mojom_import2") {
   testonly = true
   sources = [
     "sample_import2.mojom",
   ]
   public_deps = [
     ":test_mojom_import",
     ":test_mojom_import_wrapper_wrapper",
   ]
-  use_new_js_bindings = true
 }
 
 mojom("test_struct_traits_interfaces") {
   testonly = true
   sources = [
     "struct_with_traits.mojom",
   ]
 
-  use_new_js_bindings = true
-
   # TODO(crbug.com/714018): Convert the implementation to use OnceCallback.
   use_once_callback = false
 }
 
 mojom("test_associated_interfaces") {
   # These files are not included in the test_interfaces target because
   # associated interfaces are not supported by all bindings languages yet.
   testonly = true
   sources = [
     "test_associated_interfaces.mojom",
     "validation_test_associated_interfaces.mojom",
   ]
 
   public_deps = [
     ":test_interfaces",
   ]
 
-  use_new_js_bindings = true
-
   # TODO(crbug.com/714018): Convert the implementation to use OnceCallback.
   use_once_callback = false
 }
 
 mojom("versioning_test_service_interfaces") {
   testonly = true
   sources = [
     "versioning_test_service.mojom",
   ]
-  use_new_js_bindings = true
 }
 
 mojom("versioning_test_client_interfaces") {
   testonly = true
   sources = [
     "versioning_test_client.mojom",
   ]
-  use_new_js_bindings = true
 }
 
 mojom("test_wtf_types") {
   testonly = true
 
   sources = [
     "test_wtf_types.mojom",
   ]
 
-  use_new_js_bindings = true
-
   # TODO(crbug.com/714018): Convert the implementation to use OnceCallback.
   use_once_callback = false
 }
 
 mojom("test_no_sources") {
   testonly = true
 
   public_deps = [
     ":test_interfaces",
   ]
 }
 
 mojom("echo") {
   testonly = true
   sources = [
     "echo.mojom",
     "echo_import.mojom",
   ]
-  use_new_js_bindings = true
 }