Roll DOM Distiller JavaScript distribution package

Diff since last roll:
https://github.com/chromium/dom-distiller/compare/d16a68c1b8...072fe57b48

Picked up changes:
072fe57 Recognize H4 to H6 as headings as well
52047b4 Avoid using getClassName() to avoid issues with <svg>
8cf93ce Bump ChromeDriver version to 2.24
d876125 Add gen_mhtml_corpus.py to convert MHTML to eval corpus
8b33c8b Amend "Fix partially hidden article"
3fd2017 Strip unwanted classNames from all nodes

BUG=593457,599121,647098,658038

Review-Url: https://codereview.chromium.org/2447453002
Cr-Commit-Position: refs/heads/master@{#427118}

DEPS

@@ -279,7 +279,7 @@ deps = {
     Var('chromium_git') + '/external/py_trace_event.git' + '@' + 'dd463ea9e2c430de2b9e53dea57a77b4c3ac9b30',
 
   'src/third_party/dom_distiller_js/dist':
-    Var('chromium_git') + '/external/github.com/chromium/dom-distiller-dist.git' + '@' + 'a018e245289d10291c59ebf827bd748bfeb93343',
+    Var('chromium_git') + '/external/github.com/chromium/dom-distiller-dist.git' + '@' + '241e65eb93dd3e0dec2e0d3e0e0cac7a0e74e82c',
 
   'src/third_party/catapult':
     Var('chromium_git') + '/external/github.com/catapult-project/catapult.git' + '@' +

third_party/dom_distiller_js/README.chromium

 Name: dom-distiller-js
 URL: https://github.com/chromium/dom-distiller
-Version: d16a68c1b8
+Version: 072fe57b48
 License: BSD
 Security Critical: yes