Refactoring: Remove global configs in release scripts.

tools/push-to-trunk/bump_up_version.py

Index: tools/push-to-trunk/bump_up_version.py
diff --git a/tools/push-to-trunk/bump_up_version.py b/tools/push-to-trunk/bump_up_version.py
index 2e5d08fdc60fdb8a1c1a27aca0653438ebc4984f..c9f052b893f9715ac3da58f5c8292fe4797c9fbd 100755
--- a/tools/push-to-trunk/bump_up_version.py
+++ b/tools/push-to-trunk/bump_up_version.py
@@ -25,11 +25,6 @@ import sys
 
 from common_includes import *
 
-CONFIG = {
-  PERSISTFILE_BASENAME: "/tmp/v8-bump-up-version-tempfile",
-  PATCH_FILE: "/tmp/v8-bump-up-version-tempfile-patch-file",
-}
-
 VERSION_BRANCH = "auto-bump-up-version"
 
 
@@ -227,6 +222,11 @@ class BumpUpVersion(ScriptsBase):
     options.force_upload = True
     return True
 
+  def _Config(self):
+    return {
+      "PERSISTFILE_BASENAME": "/tmp/v8-bump-up-version-tempfile",
+    }
+
   def _Steps(self):
     return [
       Preparation,
@@ -242,4 +242,4 @@ class BumpUpVersion(ScriptsBase):
     ]
 
 if __name__ == "__main__":  # pragma: no cover
-  sys.exit(BumpUpVersion(CONFIG).Run())
+  sys.exit(BumpUpVersion().Run())