MD History: Replace app-route with a custom router

chrome/browser/resources/md_history/history_router.html

Index: chrome/browser/resources/md_history/history_router.html
diff --git a/chrome/browser/resources/md_history/history_router.html b/chrome/browser/resources/md_history/history_router.html
new file mode 100644
index 0000000000000000000000000000000000000000..47f0792b479453178321ca986d5cccc412180f06
--- /dev/null
+++ b/chrome/browser/resources/md_history/history_router.html
@@ -0,0 +1,13 @@
+<link rel="import" href="chrome://resources/html/polymer.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-location/iron-location.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-location/iron-query-params.html">
+
+<dom-module id="history-router">
+  <template>
+    <iron-location path="{{path_}}" query="{{query_}}"></iron-location>
+    <iron-query-params params-string="{{query_}}"
+                       params-object="{{queryParams_}}">
+    </iron-query-params>
+  </template>
+  <script src="chrome://history/history_router.js"></script>
+</dom-module>