Handle shared memory symbols better in the binarysize tool.

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 151 matching lines @@
   return 2  # Depth of the added subtree.
 
 
 def MakeCompactTree(symbols, symbol_path_origin_dir):
   result = {NODE_NAME_KEY: '/',
             NODE_CHILDREN_KEY: {},
             NODE_TYPE_KEY: 'p',
             NODE_MAX_DEPTH_KEY: 0}
   seen_symbol_with_path = False
   cwd = os.path.abspath(os.getcwd())
-  for symbol_name, symbol_type, symbol_size, file_path in symbols:
+  for symbol_name, symbol_type, symbol_size, file_path, _address in symbols:
 
     if 'vtable for ' in symbol_name:
       symbol_type = '@'  # hack to categorize these separately
     # Take path like '/foo/bar/baz', convert to ['foo', 'bar', 'baz']
     if file_path and file_path != "??":
       file_path = os.path.abspath(os.path.join(symbol_path_origin_dir,
                                                file_path))
       # Let the output structure be relative to $CWD if inside $CWD,
       # otherwise relative to the disk root. This is to avoid
       # unnecessary click-through levels in the output.
@@ skipping 41 matching lines @@
   tree_root = MakeCompactTree(symbols, symbol_path_origin_dir)
   with open(outfile, 'w') as out:
     out.write('var tree_data=')
     # Use separators without whitespace to get a smaller file.
     json.dump(tree_root, out, separators=(',', ':'))
   print('Writing %d bytes json' % os.path.getsize(outfile))
 
 
 def MakeSourceMap(symbols):
   sources = {}
-  for _sym, _symbol_type, size, path in symbols:
+  for _sym, _symbol_type, size, path, _address in symbols:
     key = None
     if path:
       key = os.path.normpath(path)
     else:
       key = '[no path]'
     if key not in sources:
       sources[key] = {'path': path, 'symbol_count': 0, 'size': 0}
     record = sources[key]
     record['size'] += size
     record['symbol_count'] += 1
@@ skipping 438 matching lines @@
   shutil.copy(os.path.join(d3_src, 'LICENSE'), d3_out)
   shutil.copy(os.path.join(d3_src, 'd3.js'), d3_out)
   shutil.copy(os.path.join(template_src, 'index.html'), opts.destdir)
   shutil.copy(os.path.join(template_src, 'D3SymbolTreeMap.js'), opts.destdir)
 
   print 'Report saved to ' + opts.destdir + '/index.html'
 
 
 if __name__ == '__main__':
   sys.exit(main())