Mojo JS bindings: simplify mojo.connectToService() usage - Part 2

mojo/public/tools/bindings/generators/mojom_js_generator.py

 # Copyright 2013 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.
 
 """Generates JavaScript source files from a mojom.Module."""
 
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
 import mojom.generate.pack as pack
 from mojom.generate.template_expander import UseJinja
@@ skipping 242 matching lines @@
   @UseJinja("js_templates/module.js.tmpl", filters=js_filters)
   def GenerateJsModule(self):
     return {
       "namespace": self.module.namespace,
       "imports": self.GetImports(),
       "kinds": self.module.kinds,
       "enums": self.module.enums,
       "module": self.module,
       "structs": self.GetStructs() + self.GetStructsFromMethods(),
       "interfaces": self.module.interfaces,
+      "imported_interfaces": self.GetImportedInterfaces(),
     }
 
   def GenerateFiles(self, args):
     self.Write(self.GenerateJsModule(), "%s.js" % self.module.name)
 
   def GetImports(self):
     # Since each import is assigned a variable in JS, they need to have unique
     # names.
     counter = 1
     for each in self.module.imports:
       each["unique_name"] = "import" + str(counter)
       counter += 1
     return self.module.imports
+
+  def GetImportedInterfaces(self):
+    interface_to_import = {};
+    for each_import in self.module.imports:
+      for each_interface in each_import["module"].interfaces:
+        name = each_interface.name
+        interface_to_import[name] = each_import["unique_name"] + "." + name
+    return interface_to_import;
+