Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/thirdparty/pylint/examples/custom_raw.py

Index: Tools/Scripts/webkitpy/thirdparty/pylint/examples/custom_raw.py
diff --git a/Tools/Scripts/webkitpy/thirdparty/pylint/examples/custom_raw.py b/Tools/Scripts/webkitpy/thirdparty/pylint/examples/custom_raw.py
new file mode 100644
index 0000000000000000000000000000000000000000..00fbe89d16b8e84d800398d0742b78b50448743c
--- /dev/null
+++ b/Tools/Scripts/webkitpy/thirdparty/pylint/examples/custom_raw.py
@@ -0,0 +1,31 @@
+from pylint.interfaces import IRawChecker
+from pylint.checkers import BaseChecker
+
+class MyRawChecker(BaseChecker):
+    """check for line continuations with '\' instead of using triple
+    quoted string or parenthesis
+    """
+
+    __implements__ = IRawChecker
+
+    name = 'custom_raw'
+    msgs = {'W9901': ('use \\ for line continuation',
+                      ('Used when a \\ is used for a line continuation instead'
+                       ' of using triple quoted string or parenthesis.')),
+            }
+    options = ()
+
+    def process_module(self, node):
+        """process a module
+
+        the module's content is accessible via node.file_stream object
+        """
+        for (lineno, line) in enumerate(node.file_stream):
+            if line.rstrip().endswith('\\'):
+                self.add_message('W9901', line=lineno)
+
+
+def register(linter):
+    """required method to auto register this checker"""
+    linter.register_checker(MyRawChecker(linter))
+