supersize: Add Print(idx). Sort subgroups in canned_queries.

tools/binary_size/libsupersize/models.py

 # Copyright 2017 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.
 """Classes that comprise the data model for binary size analysis.
 
 The primary classes are Symbol, and SymbolGroup.
 
 Description of common properties:
   * address: The start address of the symbol.
         May be 0 (e.g. for .bss or for SymbolGroups).
@@ skipping 386 matching lines @@
       self._padding = sum(s.padding for s in self.IterUniqueSymbols())
     return self._padding
 
   @property
   def aliases(self):
     return None
 
   def IsGroup(self):
     return True
 
+  def SetName(self, full_name, template_name=None, name=None):
+    self.full_name = full_name
+    self.template_name = full_name if template_name is None else template_name
+    self.name = full_name if name is None else name
+
   def IterUniqueSymbols(self):
     """Yields all symbols, but only one from each alias group."""
     seen_aliases_lists = set()
     for s in self:
       if not s.aliases:
         yield s
       elif id(s.aliases) not in seen_aliases_lists:
         seen_aliases_lists.add(id(s.aliases))
         yield s
 
@@ skipping 424 matching lines @@
 
 
 def _ExtractSuffixAfterSeparator(string, separator, count):
   prev_idx = len(string) + 1
   for _ in xrange(count):
     idx = string.rfind(separator, 0, prev_idx - 1)
     if idx < 0:
       break
     prev_idx = idx
   return string[:prev_idx]