Update from https://crrev.com/305340

build/android/pylib/base/base_test_runner.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.
 
 """Base class for running tests on a single device."""
 
 # TODO(jbudorick) Deprecate and remove this class and all subclasses after
 # any relevant parts have been ported to the new environment + test instance
 # model.
 
@@ skipping 52 matching lines @@
     Returns:
       Tuple containing:
         (base_test_result.TestRunResults, tests to rerun or None)
     """
     raise NotImplementedError
 
   def InstallTestPackage(self):
     """Installs the test package once before all tests are run."""
     pass
 
-  def PushDataDeps(self):
-    """Push all data deps to device once before all tests are run."""
-    pass
-
   def SetUp(self):
     """Run once before all tests are run."""
     self.InstallTestPackage()
-    self.PushDataDeps()
 
   def TearDown(self):
     """Run once after all tests are run."""
     self.ShutdownHelperToolsForTestSuite()
     if self._cleanup_test_files:
       self.device.old_interface.RemovePushedFiles()
 
   def LaunchTestHttpServer(self, document_root, port=None,
                            extra_config_contents=None):
     """Launches an HTTP server to serve HTTP tests.
@@ skipping 46 matching lines @@
     # will be left open even after the forwarder has been killed.
     if not ports.IsDevicePortUsed(self.device, self._forwarder_device_port):
       self._ForwardPortsForHttpServer()
 
   def ShutdownHelperToolsForTestSuite(self):
     """Shuts down the server and the forwarder."""
     if self._http_server:
       self._UnmapPorts([(self._forwarder_device_port, self._http_server.port)])
       self._http_server.ShutdownHttpServer()