Added PRESUBMIT.py for binary_size tools.

tools/binary_size/run_binary_size_analysis.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Generate a spatial analysis against an arbitrary library.
 
 To use, build the 'binary_size_tool' target. Then run this tool, passing
 in the location of the library to be analyzed along with any other options
 you desire.
@@ skipping 18 matching lines @@
 # the chromium project has figured out a proper way to organize the
 # library of python tools. http://crbug.com/375725
 elf_symbolizer_path = os.path.abspath(os.path.join(
     os.path.dirname(__file__),
     '..',
     '..',
     'build',
     'android',
     'pylib'))
 sys.path.append(elf_symbolizer_path)
-import symbols.elf_symbolizer as elf_symbolizer
+import symbols.elf_symbolizer as elf_symbolizer  # pylint: disable=F0401
 
 
 # TODO(andrewhayden): Only used for legacy reports. Delete.
 def FormatBytes(byte_count):
   """Pretty-print a number of bytes."""
   if byte_count > 1e6:
     byte_count = byte_count / 1.0e6
     return '%.1fm' % byte_count
   if byte_count > 1e3:
     byte_count = byte_count / 1.0e3
@@ skipping 631 matching lines @@
     print('Copying index.html')
     shutil.copy(os.path.join(template_src, 'index.html'), opts.destdir)
     shutil.copy(os.path.join(template_src, 'D3SymbolTreeMap.js'), opts.destdir)
 
   if opts.verbose:
     print 'Report saved to ' + opts.destdir + '/index.html'
 
 
 if __name__ == '__main__':
   sys.exit(main())