Remove JsonOutputFormatter from telemetry.

telemetry/telemetry/internal/results/json_output_formatter.py

-# Copyright 2014 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 json
-
-from telemetry.internal.results import output_formatter
-
-
-def ResultsAsDict(page_test_results, benchmark_metadata):
-  """Takes PageTestResults to a dict serializable to JSON.
-
-  To serialize results as JSON we first convert them to a dict that can be
-  serialized by the json module. It also requires a benchmark_metadat object
-  for metadata to be integrated into the results (currently the benchmark
-  name). This function will also output trace files if they exist.
-
-  Args:
-    page_test_results: a PageTestResults object
-    benchmark_metadata: a benchmark.BenchmarkMetadata object
-  """
-  result_dict = {
-      'format_version': '0.2',
-      'next_version': '0.3',
-      # TODO(sullivan): benchmark_name should be removed when updating
-      # format_version to 0.3.
-      'benchmark_name': benchmark_metadata.name,
-      'benchmark_metadata': benchmark_metadata.AsDict(),
-      'summary_values': [v.AsDict() for v in
-                         page_test_results.all_summary_values],
-      'per_page_values': [v.AsDict() for v in
-                          page_test_results.all_page_specific_values],
-      'pages': {p.id: p.AsDict() for p in _GetAllPages(page_test_results)}
-  }
-  if page_test_results.serialized_trace_file_ids_to_paths:
-    result_dict['files'] = page_test_results.serialized_trace_file_ids_to_paths
-  return result_dict
-
-
-def _GetAllPages(page_test_results):
-  pages = set(page_run.story for page_run in
-              page_test_results.all_page_runs)
-  return pages
-
-
-class JsonOutputFormatter(output_formatter.OutputFormatter):
-  def __init__(self, output_stream, benchmark_metadata):
-    super(JsonOutputFormatter, self).__init__(output_stream)
-    self._benchmark_metadata = benchmark_metadata
-
-  @property
-  def benchmark_metadata(self):
-    return self._benchmark_metadata
-
-  def Format(self, page_test_results):
-    json.dump(
-        ResultsAsDict(page_test_results, self.benchmark_metadata),
-        self.output_stream, indent=2)
-    self.output_stream.write('\n')