Mojo: Add PRESUBMIT.py to mojo/.

mojo/public/tools/bindings/pylib/mojom/generate/module.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.
 
 # This module's classes provide an interface to mojo modules. Modules are
 # collections of interfaces and structs to be used by mojo ipc clients and
 # servers.
 #
 # A simple interface would be created this way:
 # module = mojom.generate.module.Module('Foo')
@@ skipping 202 matching lines @@
 
 class Module(object):
   def __init__(self, name=None, namespace=None):
     self.name = name
     self.path = name
     self.namespace = namespace
     self.structs = []
     self.interfaces = []
 
   def AddInterface(self, name):
-    interface=Interface(name, module=self);
-    self.interfaces.append(interface)
+    self.interfaces.append(Interface(name, module=self))
     return interface
 
   def AddStruct(self, name):
     struct=Struct(name, module=self)
     self.structs.append(struct)
     return struct