Refactor dart:_blink into classes to improve startup time

tools/dom/scripts/htmldartgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the system to generate
 dart:html APIs from the IDL database."""
 
 import emitter
 from generator import AnalyzeOperation, ConstantOutputOrder, \
@@ skipping 420 matching lines @@
     def GenerateCall(
         stmts_emitter, call_emitter, version, signature_index, argument_count):
       generate_call(
           stmts_emitter, call_emitter,
           version, operations[signature_index], argument_count)
 
     def IsOptional(signature_index, argument):
       return is_optional(operations[signature_index], argument)
 
     emitter = \
-        self._native_library_emitter if self._dart_use_blink \
+        self._native_class_emitter if self._dart_use_blink \
         else self._members_emitter
 
     self._GenerateOverloadDispatcher(
         info,
         [operation.arguments for operation in operations],
         operations[0].type.id == 'void',
         declaration,
         GenerateCall,
         IsOptional,
         emitter,
@@ skipping 89 matching lines @@
     else:
       custom_factory_ctr = self._interface.id in _custom_factories
       constructor_full_name = constructor_info._ConstructorFullName(
           self._DartType)
 
       def GenerateCall(
           stmts_emitter, call_emitter,
           version, signature_index, argument_count):
         name = emitter.Format('_create_$VERSION', VERSION=version)
         if self._dart_use_blink:
-            qualified_name = \
-                "_".join(["Native",self._interface.id,
-                          name + 'constructorCallback'])
+            qualified_name = self.DeriveNativeName(name + 'constructorCallback')
         else:
             qualified_name = emitter.Format(
                 '$FACTORY.$NAME',
                 FACTORY=factory_name,
                 NAME=name)
         call_emitter.Emit('$FACTORY_NAME($FACTORY_PARAMS)',
             FACTORY_NAME=qualified_name,
             FACTORY_PARAMS= \
                 constructor_info.ParametersAsArgumentList(argument_count))
         self.EmitStaticFactoryOverload(
             constructor_info, name,
             constructor_info.idl_args[signature_index][:argument_count])
 
       def IsOptional(signature_index, argument):
         return self.IsConstructorArgumentOptional(argument)
 
       entry_declaration = emitter.Format(
           '$(METADATA)$FACTORY_KEYWORD $CTOR($PARAMS)',
           FACTORY_KEYWORD=('factory' if not custom_factory_ctr else
                            'static %s' % constructor_full_name),
           CTOR=(('' if not custom_factory_ctr else '_factory')
                 + constructor_full_name),
           METADATA=metadata,
           PARAMS=constructor_info.ParametersAsDeclaration(self._DartType))
 
       if self._dart_use_blink:
-          overload_emitter = self._native_library_emitter
+          overload_emitter = self._native_class_emitter
           mname = constructor_full_name.replace(".", "_")
-          blink_name = \
-              "_".join(["Native",self._interface.id, mname])
-          qual_name = self._native_library_name + "." + blink_name
+          blink_name = "$mk" + mname
+          qual_name = self.DeriveQualifiedBlinkName(
+              self._interface.id, blink_name)
           actuals_s = constructor_info.ParametersAsStringOfVariables()
           self._members_emitter.Emit(
             '\n'
             '  $DECLARATION => $NATIVE_NAME($ACTUALS);\n',
             DECLARATION=entry_declaration,
             NATIVE_NAME=qual_name,
             ACTUALS=actuals_s)
           overload_declaration = emitter.Format(
               '// Generated overload resolver\n'
-              '$CTOR($PARAMS)',
+              '  static $CTOR($PARAMS)',
               CTOR=blink_name,
               PARAMS=actuals_s)
 
 
       else:
           overload_emitter = self._members_emitter
           overload_declaration = entry_declaration
 
       self._GenerateOverloadDispatcher(
           constructor_info,
@@ skipping 148 matching lines @@
 
   def SecureBaseName(self, type_name):
     if type_name in _secure_base_types:
       return _secure_base_types[type_name]
 
   def _DartType(self, type_name):
     return self._type_registry.DartType(type_name)
 
   def _TypeInfo(self, type_name):
     return self._type_registry.TypeInfo(type_name)