Port storage manager to MD settings.

chrome/browser/resources/settings/device_page/device_page.js

Index: chrome/browser/resources/settings/device_page/device_page.js
diff --git a/chrome/browser/resources/settings/device_page/device_page.js b/chrome/browser/resources/settings/device_page/device_page.js
index 622ca21a703adcba26cc822d79ca13d699618629..c7cc3ed860bf66a2560d84ec02d1053bb1f7b642 100644
--- a/chrome/browser/resources/settings/device_page/device_page.js
+++ b/chrome/browser/resources/settings/device_page/device_page.js
@@ -42,6 +42,15 @@ Polymer({
       },
       readOnly: true,
     },
+
+    /** @private */
+    showStorageManager_: {
+      type: Boolean,
+      value: function() {
+        return loadTimeData.getBoolean('showStorageManager');
+      },
+      readOnly: true,
+    },
   },
 
   observers: [
@@ -113,6 +122,14 @@ Polymer({
     settings.navigateTo(settings.Route.DISPLAY);
   },
 
+  /**
+   * Handler for tapping the Storage settings menu item.
+   * @private
+   */
+  onStorageTap_: function() {
+    settings.navigateTo(settings.Route.STORAGE);
+  },
+
   /** @protected */
   currentRouteChanged: function() {
     this.checkPointerSubpage_();