Move chrome_proxy tests from under tools/perf to tools/chrome_proxy/integration_tests.

tools/chrome_proxy/run_measurement

 #!/usr/bin/env python
 # 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
 import sys
 
 sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, 'telemetry'))
+sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, 'perf'))
 
 from telemetry import test_runner
 from telemetry.core import environment
 from telemetry.core import util
 from telemetry.util import bootstrap
 
 
 CROS_BOOSTRAP_DEPS_PATH = os.path.join(
     util.GetChromiumSrcDir(), 'tools', 'cros', 'bootstrap_deps')
 
 
 def main():
   if '--print-bootstrap-deps-cros' in sys.argv:
     print bootstrap.ListAllDepsPaths(CROS_BOOSTRAP_DEPS_PATH)
     return 0
 
   base_dir = os.path.dirname(os.path.realpath(__file__))
   test_runner.config = environment.Environment([base_dir])
   sys.exit(test_runner.main())
 
 
 if __name__ == '__main__':
   sys.exit(main())