[MemUsage][BinarySize] More perfect hashes for CSS strings.

Source/build/scripts/make_css_property_names.py

 #!/usr/bin/env python
 
 import os.path
 import re
 import subprocess
 import sys
 
 from in_file import InFile
 import in_generator
 import license
@@ skipping 79 matching lines @@
 %%}
 %%struct-type
 struct Property;
 %%omit-struct-type
 %%language=C++
 %%readonly-tables
 %%global-table
 %%compare-strncmp
 %%define class-name %(class_name)sHash
 %%define lookup-function-name findPropertyImpl
-%%define hash-function-name propery_hash_function
+%%define hash-function-name property_hash_function
 %%define slot-name nameOffset
-%%define word-array-name property_wordlist
+%%define word-array-name property_word_list
 %%enum
 %%%%
 %(property_to_enum_map)s
 %%%%
 const Property* findProperty(register const char* str, register unsigned int len)
 {
     return %(class_name)sHash::findPropertyImpl(str, len);
 }
 
 const char* getPropertyName(CSSPropertyID id)
@@ skipping 125 matching lines @@
 
         gperf_input = GPERF_TEMPLATE % {
             'license': license.license_for_generated_cpp(),
             'class_name': self.class_name,
             'property_name_strings': '\n'.join(map(lambda property: '    "%(name)s\\0"' % property, self._properties)),
             'property_name_offsets': '\n'.join(map(lambda offset: '    %d,' % offset, property_offsets)),
             'property_to_enum_map': '\n'.join(map(lambda property: '%(name)s, %(enum_name)s' % property, self._properties + self._aliases)),
             'internal_properties': '\n'.join(map(self._case_properties, filter(lambda property: property['is_internal'], self._properties))),
         }
         # FIXME: If we could depend on Python 2.7, we would use subprocess.check_output
-        gperf_args = [self.gperf_path, '--key-positions=*', '-P', '-D', '-n', '-s', '2']
+        gperf_args = [self.gperf_path, '--key-positions=*', '-P', '-n']
+        gperf_args.extend(['-m', '50'])  # Pick best of 50 attempts.
+        gperf_args.append('-D')  # Allow duplicate hashes -> More compact code.
         gperf = subprocess.Popen(gperf_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True)
         return gperf.communicate(gperf_input)[0]
 
 
 if __name__ == "__main__":
     in_generator.Maker(CSSPropertiesWriter).main(sys.argv)