Use chromium revision instead of blink svn revision when rebaselining layout tests.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/layouttestresults.py

 # Copyright (c) 2010, Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 88 matching lines @@
 
     def __init__(self, parsed_json):
         self._results = parsed_json
 
     def run_was_interrupted(self):
         return self._results["interrupted"]
 
     def builder_name(self):
         return self._results["builder_name"]
 
-    def blink_revision(self):
-        return int(self._results["blink_revision"])
+    def chromium_revision(self):
+        return int(self._results["chromium_revision"])
 
     def actual_results(self, test):
         result = result_for_test(self._results["tests"], test)
         if result:
             return result["actual"]
         return ""