Precompile mojom bindings generator jinja templates.

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 362 matching lines @@
       "imports": self.GetImports(),
       "kinds": self.module.kinds,
       "enums": self.module.enums,
       "module": self.module,
       "structs": self.GetStructs() + self.GetStructsFromMethods(),
       "unions": self.GetUnions(),
       "interfaces": self.GetInterfaces(),
       "imported_interfaces": self.GetImportedInterfaces(),
     }
 
-  @UseJinja("js_templates/module.amd.tmpl", filters=js_filters)
+  @staticmethod
+  def GetTemplatePrefix():
+    return "js_templates"
+
+  @classmethod
+  def GetFilters(cls):
+    return cls.js_filters
+
+  @UseJinja("module.amd.tmpl")
   def GenerateAMDModule(self):
     return self.GetParameters()
 
   def GenerateFiles(self, args):
     if self.variant:
       raise Exception("Variants not supported in JavaScript bindings.")
 
     self.Write(self.GenerateAMDModule(),
         self.MatchMojomFilePath("%s.js" % self.module.name))
 
@@ skipping 16 matching lines @@
     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;