supersize: Add symbol.template_name, and strip <>s from symbol.name

tools/binary_size/libsupersize/canned_queries.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.
 
 """Contains a set of Chrome-specific size queries."""
 
 import logging
 import models
 
 
@@ skipping 121 matching lines @@
       arg = arg.symbols
     return arg
 
   def CategorizeGenerated(self, symbols=None):
     """Categorizes symbols that come from generated source files."""
     return _CategorizeGenerated(self._SymbolsArg(symbols))
 
   def CategorizeByChromeComponent(self, symbols=None):
     """Groups symbols by component using predefined queries."""
     return _CategorizeByChromeComponent(self._SymbolsArg(symbols))
+
+  def TemplatesByName(self, symbols=None, depth=0):
+    """Lists C++ templates grouped by name."""
+    symbols = self._SymbolsArg(symbols)
+    # TODO(agrieve): Might be nice to recursively GroupedByName() on these.
+    return symbols.WhereIsTemplate().GroupedByName(depth).Clustered().Sorted()