Refactoring: Remove global configs in release scripts.

tools/push-to-trunk/chromium_roll.py

Index: tools/push-to-trunk/chromium_roll.py
diff --git a/tools/push-to-trunk/chromium_roll.py b/tools/push-to-trunk/chromium_roll.py
index 35603a21fac40b46e65fb25e70f28f83494a4332..dc5e6eba22ee14dd66137c9fd20bdc7feba1f436 100755
--- a/tools/push-to-trunk/chromium_roll.py
+++ b/tools/push-to-trunk/chromium_roll.py
@@ -9,12 +9,6 @@ import sys
 
 from common_includes import *
 
-CHROMIUM = "CHROMIUM"
-
-CONFIG = {
-  PERSISTFILE_BASENAME: "/tmp/v8-chromium-roll-tempfile",
-}
-
 
 class Preparation(Step):
   MESSAGE = "Preparation."
@@ -116,7 +110,7 @@ class CleanUp(Step):
           % self["trunk_revision"])
 
     # Clean up all temporary files.
-    Command("rm", "-f %s*" % self._config[PERSISTFILE_BASENAME])
+    Command("rm", "-f %s*" % self._config["PERSISTFILE_BASENAME"])
 
 
 class ChromiumRoll(ScriptsBase):
@@ -140,6 +134,11 @@ class ChromiumRoll(ScriptsBase):
     options.manual = False
     return True
 
+  def _Config(self):
+    return {
+      "PERSISTFILE_BASENAME": "/tmp/v8-chromium-roll-tempfile",
+    }
+
   def _Steps(self):
     return [
       Preparation,
@@ -154,4 +153,4 @@ class ChromiumRoll(ScriptsBase):
 
 
 if __name__ == "__main__":  # pragma: no cover
-  sys.exit(ChromiumRoll(CONFIG).Run())
+  sys.exit(ChromiumRoll().Run())