Supersize: Remove duplicate method.

Change-Id: Iefb439e6437a8589599155097365d9dd9cb17bb3
Reviewed-on: https://chromium-review.googlesource.com/c/1349853
Commit-Queue: Eric Stevenson <estevenson@chromium.org>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611265}

tools/binary_size/libsupersize/ar.py

@@ -20,6 +20,11 @@ def IsThinArchive(path):
 
 def CreateThinObjectPath(archive_path, subpath):
   """Given the .a path and .o subpath, returns the .o path."""
+  # |subpath| is path complete under Gold, and incomplete under LLD. Check its
+  # prefix to test completeness, and if not, use |archive_path| to supply the
+  # required prefix.
+  if subpath.startswith('obj/'):
+    return subpath
   # .o subpaths in thin archives are relative to the directory of the .a.
   parent_path = os.path.dirname(archive_path)
   return os.path.normpath(os.path.join(parent_path, subpath))
@@ -106,16 +111,6 @@ def ExpandThinArchives(paths, output_directory):
   return expanded_paths, thin_paths
 
 
-def CreateThinObjectPath(archive_path, subpath):
-  # |subpath| is path complete under Gold, and incomplete under LLD. Check its
-  # prefix to test completeness, and if not, use |archive_path| to supply the
-  # required prefix.
-  if subpath.startswith('obj/'):
-    return subpath
-  parent_path = os.path.dirname(archive_path)
-  return os.path.normpath(os.path.join(parent_path, subpath))
-
-
 def main():
   parser = argparse.ArgumentParser()
   parser.add_argument('ar_path')