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

chrome/common/media_router/mojo/BUILD.gn

Index: chrome/common/media_router/mojo/BUILD.gn
diff --git a/chrome/common/media_router/mojo/BUILD.gn b/chrome/common/media_router/mojo/BUILD.gn
index 939e8555655adc1b735a272d1cadbf4b37e276a6..8b1e61145076df2587711ce1a542c259081be33b 100644
--- a/chrome/common/media_router/mojo/BUILD.gn
+++ b/chrome/common/media_router/mojo/BUILD.gn
@@ -26,6 +26,9 @@ mojom("media_controller") {
   public_deps = [
     "//mojo/common:common_custom_types",
   ]
+
+  # TODO(crbug.com/699569): Convert to use the new JS bindings.
+  use_new_js_bindings = false
 }
 
 mojom("media_router") {
@@ -43,6 +46,9 @@ mojom("media_router") {
 
   # TODO(crbug.com/714018): Convert the implementation to use OnceCallback.
   use_once_callback = false
+
+  # TODO(crbug.com/699569): Convert to use the new JS bindings.
+  use_new_js_bindings = false
 }
 
 mojom("media_router_test_interfaces") {