Fix unicode rendering of IDL files in the extension/apps developer server.

chrome/common/extensions/docs/server2/file_system.py

 # Copyright (c) 2012 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.
 
 import os
 
 class FileNotFoundError(Exception):
   def __init__(self, filename):
     Exception.__init__(self, filename)
 
 class StatInfo(object):
   """The result of calling Stat on a FileSystem.
   """
   def __init__(self, version, child_versions=None):
     self.version = version
     self.child_versions = child_versions
 
-def _ProcessFileData(data, path):
-  if os.path.splitext(path)[-1] not in ['.js', '.html', '.json']:

[not at google - send to devlin, 2013/02/13 17:12:55]

IIRC this check was so that we didn't try to unicodeise binary files (e.g. zip
files) but that's actually done explicitly by callers (see the other changes in
this patch), so it's unnecessary.

An "alternative" fix would be to add .idl to this whitelist of course, but, well
that would be bad.

-    return data
+def _ToUnicode(data):
   try:
     return unicode(data, 'utf-8')
   except:
     return unicode(data, 'latin-1')
 
 class FileSystem(object):
   """A FileSystem interface that can read files and directories.
   """
 
   def Read(self, paths, binary=False):
@@ skipping 12 matching lines @@
     """
     return self.Read([path]).Get()[path]
 
   # TODO(cduvall): Allow Stat to take a list of paths like Read.
   def Stat(self, path):
     """Returns a |StatInfo| object containing the version of |path|. If |path|
     is a directory, |StatInfo| will have the versions of all the children of
     the directory in |StatInfo.child_versions|.
     """
     raise NotImplementedError()