clovis: Don't pretty-print JSON traces.

tools/android/loading/loading_trace.py

 # Copyright (c) 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.
 
 """Represents the trace of a page load."""
 
 import datetime
 import json
 import time
 
@@ skipping 34 matching lines @@
               self._PAGE_KEY: self.page_track.ToJsonDict(),
               self._REQUEST_KEY: self.request_track.ToJsonDict(),
               self._TRACING_KEY: (self.tracing_track.ToJsonDict()
                                   if self.tracing_track else None)}
     return result
 
   def ToJsonFile(self, json_path):
     """Save a json file representing this instance."""
     json_dict = self.ToJsonDict()
     with open(json_path, 'w') as output_file:
-       json.dump(json_dict, output_file, indent=2)
+       json.dump(json_dict, output_file)
 
   @classmethod
   def FromJsonDict(cls, json_dict):
     """Returns an instance from a dictionary returned by ToJsonDict()."""
     keys = (cls._URL_KEY, cls._METADATA_KEY, cls._PAGE_KEY, cls._REQUEST_KEY,
             cls._TRACING_KEY)
     assert all(key in json_dict for key in keys)
     page = page_track.PageTrack.FromJsonDict(json_dict[cls._PAGE_KEY])
     request = request_track.RequestTrack.FromJsonDict(
         json_dict[cls._REQUEST_KEY])
@@ skipping 51 matching lines @@
     """
     self._tracing_json_str = json.dumps(self._tracing_track.ToJsonDict())
     self._tracing_track = None
 
   def _RestoreTracingTrack(self):
     if not self._tracing_json_str:
       return None
     self._tracing_track = tracing.TracingTrack.FromJsonDict(
         json.loads(self._tracing_json_str))
     self._tracing_json_str = None