[MD History] Add routing to the synced devices page.

chrome/test/data/webui/md_history/md_history_browsertest.js

Index: chrome/test/data/webui/md_history/md_history_browsertest.js
diff --git a/chrome/test/data/webui/md_history/md_history_browsertest.js b/chrome/test/data/webui/md_history/md_history_browsertest.js
index 2277a757409da9b0e785ed9f26a3589accd0b354..26683ee4b2e1a6faee6ef2ddfdc9c1e31cac3481 100644
--- a/chrome/test/data/webui/md_history/md_history_browsertest.js
+++ b/chrome/test/data/webui/md_history/md_history_browsertest.js
@@ -33,6 +33,7 @@ MaterialHistoryBrowserTest.prototype = {
     'history_item_test.js',
     'history_list_test.js',
     'history_overflow_menu_test.js',
+    'history_routing_test.js',
     'history_supervised_user_test.js',
     'history_synced_tabs_test.js',
     'history_toolbar_test.js'
@@ -81,6 +82,11 @@ TEST_F('MaterialHistoryBrowserTest', 'HistoryOverflowMenuTest', function() {
   mocha.run();
 });
 
+TEST_F('MaterialHistoryBrowserTest', 'RoutingTest', function() {
+  md_history.history_routing_test.registerTests();
+  mocha.run();
+});
+
 TEST_F('MaterialHistoryBrowserTest', 'SyncedTabsTest', function() {
   md_history.history_synced_tabs_test.registerTests();
   mocha.run();