Update idlsync.py to pull in dependencies required for chrome api generation.

third_party/chrome/tools/cpp_util.py

-# Copyright (c) 2012 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.
-
-"""Utilies and constants specific to Chromium C++ code.
-"""
-
-from datetime import datetime
-from model import Property, PropertyType, Type
-import os
-
-CHROMIUM_LICENSE = (
-"""// Copyright (c) %d 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.""" % datetime.now().year
-)
-GENERATED_FILE_MESSAGE = """// GENERATED FROM THE API DEFINITION IN
-//   %s
-// DO NOT EDIT.
-"""
-GENERATED_BUNDLE_FILE_MESSAGE = """// GENERATED FROM THE API DEFINITIONS IN
-//   %s
-// DO NOT EDIT.
-"""
-
-def Classname(s):
-  """Translates a namespace name or function name into something more
-  suited to C++.
-
-  eg experimental.downloads -> Experimental_Downloads
-  updateAll -> UpdateAll.
-  """
-  return '_'.join([x[0].upper() + x[1:] for x in s.split('.')])
-
-def GetAsFundamentalValue(type_, src, dst):
-  """Returns the C++ code for retrieving a fundamental type from a
-  Value into a variable.
-
-  src: Value*
-  dst: Property*
-  """
-  return {
-      PropertyType.STRING: '%s->GetAsString(%s)',
-      PropertyType.BOOLEAN: '%s->GetAsBoolean(%s)',
-      PropertyType.INTEGER: '%s->GetAsInteger(%s)',
-      PropertyType.DOUBLE: '%s->GetAsDouble(%s)',
-  }[type_.property_type] % (src, dst)
-
-def GetValueType(type_):
-  """Returns the Value::Type corresponding to the model.PropertyType.
-  """
-  return {
-      PropertyType.STRING: 'Value::TYPE_STRING',
-      PropertyType.INTEGER: 'Value::TYPE_INTEGER',
-      PropertyType.BOOLEAN: 'Value::TYPE_BOOLEAN',
-      PropertyType.DOUBLE: 'Value::TYPE_DOUBLE',
-      PropertyType.ENUM: 'Value::TYPE_STRING',
-      PropertyType.OBJECT: 'Value::TYPE_DICTIONARY',
-      PropertyType.FUNCTION: 'Value::TYPE_DICTIONARY',
-      PropertyType.ARRAY: 'Value::TYPE_LIST',
-      PropertyType.BINARY: 'Value::TYPE_BINARY',
-  }[type_.property_type]
-
-def GetParameterDeclaration(param, type_):
-  """Gets a parameter declaration of a given model.Property and its C++
-  type.
-  """
-  if param.type_.property_type in (PropertyType.REF,
-                                   PropertyType.OBJECT,
-                                   PropertyType.ARRAY,
-                                   PropertyType.STRING,
-                                   PropertyType.ANY):
-    arg = 'const %(type)s& %(name)s'
-  else:
-    arg = '%(type)s %(name)s'
-  return arg % {
-    'type': type_,
-    'name': param.unix_name,
-  }
-
-def GenerateIfndefName(path, filename):
-  """Formats a path and filename as a #define name.
-
-  e.g chrome/extensions/gen, file.h becomes CHROME_EXTENSIONS_GEN_FILE_H__.
-  """
-  return (('%s_%s_H__' % (path, filename))
-          .upper().replace(os.sep, '_').replace('/', '_'))
-
-def PadForGenerics(var):
-  """Appends a space to |var| if it ends with a >, so that it can be compiled
-  within generic types.
-  """
-  return ('%s ' % var) if var.endswith('>') else var