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

third_party/chrome/ppapi/generators/idl_log.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.
+
+""" Error and information logging for IDL """
+
+#
+# IDL Log
+#
+# And IDLLog object provides a mechanism for capturing logging output
+# and/or sending out via a file handle (usually stdout or stderr).
+#
+import sys
+
+
+class IDLLog(object):
+  def __init__(self, name, out):
+    if name:
+      self.name = '%s : ' % name
+    else:
+      self.name = ''
+
+    self.out = out
+    self.capture = False
+    self.console = True
+    self.log = []
+
+  def Log(self, msg):
+    line = "%s\n" % (msg)
+    if self.console: self.out.write(line)
+    if self.capture:
+      self.log.append(msg)
+
+  def LogTag(self, msg):
+    line = "%s%s\n" % (self.name, msg)
+    if self.console: self.out.write(line)
+    if self.capture:
+      self.log.append(msg)
+
+  def LogLine(self, filename, lineno, pos, msg):
+    line = "%s(%d) : %s%s\n" % (filename, lineno, self.name, msg)
+    if self.console: self.out.write(line)
+    if self.capture: self.log.append(msg)
+
+  def SetConsole(self, enable, out = None):
+    self.console = enable
+    if out: self.out = out
+
+  def SetCapture(self, enable):
+    self.capture = enable
+
+  def DrainLog(self):
+    out = self.log
+    self.log = []
+    return out
+
+ErrOut  = IDLLog('Error', sys.stderr)
+WarnOut = IDLLog('Warning', sys.stdout)
+InfoOut = IDLLog('', sys.stdout)