Mojo JS bindings: switch all mojo/ layout tests to use the new mode.

mojo/public/js/new_bindings/bindings.js

Index: mojo/public/js/new_bindings/bindings.js
diff --git a/mojo/public/js/new_bindings/bindings.js b/mojo/public/js/new_bindings/bindings.js
index 98213a825e1360f869a4bd49e6f7ae066c0ed773..a82f43dddacd0af250dae47b91a69cb59d3b8aae 100644
--- a/mojo/public/js/new_bindings/bindings.js
+++ b/mojo/public/js/new_bindings/bindings.js
@@ -128,11 +128,6 @@
     return this.proxy_;
   };
 
-  InterfacePtrController.prototype.waitForNextMessageForTesting = function() {
-    this.configureProxyIfNecessary_();
-    this.router_.waitForNextMessageForTesting();
-  };
-
   InterfacePtrController.prototype.configureProxyIfNecessary_ = function() {
     if (!this.handle_)
       return;
@@ -265,10 +260,6 @@
     return result;
   };
 
-  Binding.prototype.waitForNextMessageForTesting = function() {
-    this.router_.waitForNextMessageForTesting();
-  };
-
   // ---------------------------------------------------------------------------
 
   function BindingSetEntry(bindingSet, interfaceType, bindingType, impl,