Revert of Mojo JS bindings: change module loading solution.

mojo/public/tools/bindings/generators/js_templates/module_definition.tmpl

Index: mojo/public/tools/bindings/generators/js_templates/module_definition.tmpl
diff --git a/mojo/public/tools/bindings/generators/js_templates/module_definition.tmpl b/mojo/public/tools/bindings/generators/js_templates/module_definition.tmpl
index 5abcf34fb5140d77b720765dc8c4ee315fe04340..ddfef72bcc938746446cedf1b3d137ab00088214 100644
--- a/mojo/public/tools/bindings/generators/js_templates/module_definition.tmpl
+++ b/mojo/public/tools/bindings/generators/js_templates/module_definition.tmpl
@@ -1,5 +1,5 @@
 {#--- Constants #}
-{%- for constant in module.constants %}
+{%-  for constant in module.constants %}
   var {{constant.name}} = {{constant.value|expression_to_text}};
 {%- endfor %}
 
@@ -25,13 +25,8 @@
 {%-   include "interface_definition.tmpl" %}
 {%- endfor %}
 
-{%- if use_new_js_bindings %}
-  var exports = mojoBindings.internal.exposeNamespace("{{module.namespace}}");
-{%- else %}
   var exports = {};
-{%- endif %}
-
-{%- for constant in module.constants %}
+{%-  for constant in module.constants %}
   exports.{{constant.name}} = {{constant.name}};
 {%- endfor %}
 {%- for enum in enums %}
@@ -46,4 +41,10 @@
 {%- for interface in interfaces %}
   exports.{{interface.name}} = {{interface.name}};
   exports.{{interface.name}}Ptr = {{interface.name}}Ptr;
+{#--- Interface Client #}
+{%-   if interface.client in interfaces|map(attribute='name') %}
+  exports.{{interface.name}}.client = {{interface.client}};
+{%-   elif interface.client in imported_interfaces %}
+  exports.{{interface.name}}.client = {{imported_interfaces[interface.client]}};
+{%-   endif %}
 {%- endfor %}