[telemetry] Move camel_case_converter out of chrome/ and use it for discover, as well.

tools/telemetry/telemetry/core/chrome/camel_case_converter.py

Index: tools/telemetry/telemetry/core/chrome/camel_case_converter.py
diff --git a/tools/telemetry/telemetry/core/chrome/camel_case_converter.py b/tools/telemetry/telemetry/core/chrome/camel_case_converter.py
deleted file mode 100644
index 868250cfa474f0c01719ef1308a5998eb82cae0c..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/chrome/camel_case_converter.py
+++ /dev/null
@@ -1,40 +0,0 @@
-# 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.
-
-class CamelCaseConverter(object):
-  """Helper class which helps convert between the camel case and
-     underscore naming conventions.
-  """
-
-  @classmethod
-  def FromCamelCase(cls, obj):
-    """Descends recursively into the object obj, converting all
-       attributes' names from camelCase to underscore naming
-       convention. Returns a newly allocated object of the same
-       structure as the input. Handles nested structures of
-       dictionaries and lists.
-    """
-
-    output = None
-    if isinstance(obj, dict):
-      output = dict()
-      for k, v in obj.iteritems():
-        output[cls.__CamelCaseToUnderscore(k)] = cls.FromCamelCase(v)
-    elif isinstance(obj, list):
-      output = []
-      for item in obj:
-        output.append(cls.FromCamelCase(item))
-    else:
-      output = obj
-    return output
-
-  @classmethod
-  def __CamelCaseToUnderscore(cls, input_string):
-    result = ""
-    for c in input_string:
-      if c.isupper():
-        result += "_" + c.lower()
-      else:
-        result += c
-    return result