[Telemetry] Reorganize everything.

tools/telemetry/telemetry/core/browser.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 os
 
-from telemetry import browser_backend
-from telemetry import browser_credentials
-from telemetry import extension_dict
-from telemetry import tab_list
-from telemetry import temporary_http_server
-from telemetry import wpr_modes
-from telemetry import wpr_server
+from telemetry.core import browser_credentials
+from telemetry.core import extension_dict
+from telemetry.core import tab_list
+from telemetry.core import temporary_http_server
+from telemetry.core import wpr_modes
+from telemetry.core import wpr_server
+from telemetry.core.chrome import browser_backend
 
 class Browser(object):
   """A running browser instance that can be controlled in a limited way.
 
   To create a browser instance, use browser_finder.FindBrowser.
 
   Be sure to clean up after yourself by calling Close() when you are done with
   the browser. Or better yet:
     browser_to_create = FindBrowser(options)
     with browser_to_create.Create() as browser:
@@ skipping 119 matching lines @@
         archive_path,
         use_record_mode,
         self._browser_backend.WEBPAGEREPLAY_HOST,
         self._browser_backend.webpagereplay_local_http_port,
         self._browser_backend.webpagereplay_local_https_port,
         self._browser_backend.webpagereplay_remote_http_port,
         self._browser_backend.webpagereplay_remote_https_port)
 
   def GetStandardOutput(self):
     return self._browser_backend.GetStandardOutput()