webkitpy: Make webkit_base() protected.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
index 63b391562c3afb6155769d07605c2f6341927505..8b60c5283424c20cca31d65b5baae6653b0f5780 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py
@@ -870,22 +870,19 @@ class Port(object):
         self._filesystem.write_binary_file(baseline_path, data)
 
     # TODO(qyearsley): Update callers to create a finder and call it instead
-    # of these next three routines (which should be protected).
-    def webkit_base(self):
-        return self._webkit_finder.webkit_base()
-
+    # of these next two routines (which should be protected).
     def path_from_chromium_base(self, *comps):
         return self._webkit_finder.path_from_chromium_base(*comps)
 
+    def perf_tests_dir(self):
+        return self._webkit_finder.perf_tests_dir()
+
     def layout_tests_dir(self):
         custom_layout_tests_dir = self.get_option('layout_tests_directory')
         if custom_layout_tests_dir:
             return custom_layout_tests_dir
         return self._webkit_finder.layout_tests_dir()
 
-    def perf_tests_dir(self):
-        return self._webkit_finder.perf_tests_dir()
-
     def skipped_layout_tests(self, _):
         # TODO(qyearsley): Remove this method.
         return set()