Removes one of the two constants for the same string.

Change-Id: I8940a62ceb8d6586a9551607aaaa9e0b63fcac9d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1731989
Auto-Submit: Caitlin Fischer <caitlinfischer@google.com>
Commit-Queue: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683587}

tools/metrics/histograms/expand_owners.py

@@ -4,7 +4,7 @@
 
 """Functions for extracting email addresses from OWNERS files."""
 
-import histogram_ownership
+import extract_histograms
 import os
 import re
 
@@ -196,7 +196,7 @@ def ExpandHistogramsOWNERS(histograms):
       is_email = email_pattern.match(owner_text)
 
       is_primary_owner = (is_email or
-          owner_text == histogram_ownership.DUMMY_OWNER)
+          owner_text == extract_histograms.OWNER_PLACEHOLDER)
       if index == 0 and not is_primary_owner:
         raise Error('The histogram {} must have a primary owner, i.e. an '
                     'individual\'s email address.'

tools/metrics/histograms/histogram_ownership.py

@@ -7,6 +7,7 @@
 histograms.
 """
 
+import extract_histograms
 import os
 import sys
 import xml.etree.ElementTree
@@ -14,8 +15,6 @@ import xml.etree.ElementTree
 sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
 import path_util
 
-DUMMY_OWNER = "Please list the metric's owners. Add more owner tags as needed."
-
 def main():
   tree = xml.etree.ElementTree.parse(path_util.GetHistogramsFile())
   root = tree.getroot()
@@ -42,7 +41,7 @@ def main():
         continue
       if node.tag != 'owner':
         continue
-      if node.text == DUMMY_OWNER:
+      if node.text == extract_histograms.OWNER_PLACEHOLDER:
         continue
       assert '@' in node.text
       owners.append(node.text)