Rewrite comment as requested.

There was a poorly worded comment related to bsdiff blacklisting that caused
confusion. Rewording it to be clearer (I hope).

BUG=None
TEST=Built, visual inspection that it's a comment change only.

Change-Id: Ib69c3ab168ffbba79ee430e5baa0dc4eca1e90b2
Reviewed-on: https://gerrit.chromium.org/gerrit/45165
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Commit-Queue: Don Garrett <dgarrett@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
diff --git a/delta_diff_generator.cc b/delta_diff_generator.cc
index 94487c1..6aea2df 100644
--- a/delta_diff_generator.cc
+++ b/delta_diff_generator.cc
@@ -103,11 +103,10 @@
   string old_path = (old_root == kNonexistentPath) ? kNonexistentPath :
       old_root + path;
 
-  // TODO(dgarrett): chromium-os:15274 Wire up this file all of the way to
-  // command line.
+  // If bsdiff breaks again, blacklist the problem file by using:
+  //   bsdiff_allowed = (path != "/foo/bar")
   //
-  // To hardcode for now, use the following instead of true.
-  //   (path != "/opt/google/chrome/pepper/libnetflixidd.so");
+  // TODO(dgarrett): chromium-os:15274 connect this test to the command line.
   bool bsdiff_allowed = true;
 
   if (!bsdiff_allowed)