Revert "Generate some of the C++ bindings for mojom tagged unions."

mojo/public/tools/bindings/pylib/mojom/generate/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.
 
 """Code shared by the various language-specific code generators."""
 
 from functools import partial
 import os.path
 import re
 
@@ skipping 29 matching lines @@
     return kind.length
   return None
 
 def StudlyCapsToCamel(studly):
   return studly[0].lower() + studly[1:]
 
 def CamelCaseToAllCaps(camel_case):
   return '_'.join(
       word for word in re.split(r'([A-Z][^A-Z]+)', camel_case) if word).upper()
 
-def UnderToCamel(under):
-  """Converts underscore_separated strings to CamelCase strings."""
-  return ''.join(word.capitalize() for word in under.split('_'))
-
 def WriteFile(contents, full_path):
   # Make sure the containing directory exists.
   full_dir = os.path.dirname(full_path)
   if not os.path.exists(full_dir):
     os.makedirs(full_dir)
 
   # Dump the data to disk.
   with open(full_path, "w+") as f:
     f.write(contents)
 
@@ skipping 31 matching lines @@
   def GenerateFiles(self, args):
     raise NotImplementedError("Subclasses must override/implement this method")
 
   def GetJinjaParameters(self):
     """Returns default constructor parameters for the jinja environment."""
     return {}
 
   def GetGlobals(self):
     """Returns global mappings for the template generation."""
     return {}