Re-add the path() method of WebKitPatch.

third_party/WebKit/Tools/Scripts/webkitpy/tool/webkit_patch.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/tool/webkit_patch.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/tool/webkit_patch.py b/third_party/WebKit/Tools/Scripts/webkitpy/tool/webkit_patch.py
index 100650c311396e8fb7da3bea9ad8d8db9084c88f..6a1c1e844b56150f8f5e41dcc9b92842dad452ea 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/tool/webkit_patch.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/tool/webkit_patch.py
@@ -74,8 +74,9 @@ class WebKitPatch(Host):
             help="Directory to look at for changed files"),
     ]
 
-    def __init__(self):
+    def __init__(self, path):
         super(WebKitPatch, self).__init__()
+        self._path = path
         self.commands = [
             AnalyzeBaselines(),
             AutoRebaseline(),
@@ -125,6 +126,9 @@ class WebKitPatch(Host):
         result = command.check_arguments_and_execute(options, args, self)
         return result
 
+    def path(self):
+        return self._path
+
     @staticmethod
     def _split_command_name_from_args(args):
         # Assume the first argument which doesn't start with "-" is the command name.