[Telemetry] Reorganize everything.

tools/telemetry/telemetry/core/chrome/tracing_backend.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 cStringIO
 import json
 import logging
 import socket
 import threading
 
 
-from telemetry import trace_event_importer
-from telemetry import trace_result
-from telemetry import util
-from telemetry import websocket
+from telemetry.core import util
+from telemetry.core.chrome import trace_event_importer
+from telemetry.core.chrome import trace_result
+from telemetry.core.chrome import websocket
 
 
 class TracingUnsupportedException(Exception):
   pass
 
 class TraceResultImpl(object):
   def __init__(self, tracing_data):
     self._tracing_data = tracing_data
 
   def Serialize(self, f):
@@ skipping 98 matching lines @@
       logging.debug('got [%s]', data)
       res = json.loads(data)
       if res['id'] != req['id']:
         logging.debug('Dropped reply: %s', json.dumps(res))
         continue
       if res.get('response'):
         raise TracingUnsupportedException(
             'Tracing not supported for this browser')
       elif 'error' in res:
         return