MD Settings; Lazy instantiate Clear Browsing Data dialog.

chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.js

Index: chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.js
diff --git a/chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.js b/chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.js
index 381b54fa47a5c5139a48b213d48722df2b386254..c14e51eaa0ec6e60d5309447303d483f5af237aa 100644
--- a/chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.js
+++ b/chrome/browser/resources/settings/clear_browsing_data_dialog/clear_browsing_data_dialog.js
@@ -51,6 +51,7 @@ Polymer({
         this.setAllowDeletingHistory_.bind(this));
     this.browserProxy_ =
         settings.ClearBrowsingDataBrowserProxyImpl.getInstance();
+    this.$.dialog.open();
   },
 
   /**
@@ -66,10 +67,6 @@ Polymer({
     }
   },
 
-  open: function() {
-    this.$.dialog.open();
-  },
-
   /** @private */
   onClearBrowsingDataTap_: function() {
     this.clearingInProgress_ = true;