Revert of Convert chart-json to Histograms.

tracing/tracing/value/convert_chart_json.py

Index: tracing/tracing/value/convert_chart_json.py
diff --git a/tracing/tracing/value/convert_chart_json.py b/tracing/tracing/value/convert_chart_json.py
deleted file mode 100755
index 10dabee5ccf7991e2a2d12a0b1acace82a7c08e3..0000000000000000000000000000000000000000
--- a/tracing/tracing/value/convert_chart_json.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copyright 2016 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
-import tracing_project
-import vinn
-
-
-def ConvertChartJson(chart_json):
-  """Convert chart_json to Histograms.
-
-  Args:
-    chart_json: path to a file containing chart-json
-
-  Returns:
-    a Vinn result object whose 'returncode' indicates whether there was an
-    exception, and whose 'stdout' contains HistogramSet json.
-  """
-  return vinn.RunFile(
-      os.path.join(os.path.dirname(__file__),
-                   'convert_chart_json_cmdline.html'),
-      source_paths=tracing_project.TracingProject().source_paths,
-      js_args=[os.path.abspath(chart_json)])