MD History: Drop-down menu allows searching for history-items by domain name.

chrome/browser/resources/md_history/history_item.js

Index: chrome/browser/resources/md_history/history_item.js
diff --git a/chrome/browser/resources/md_history/history_item.js b/chrome/browser/resources/md_history/history_item.js
index ce258cb7b2d3d8708518929a59e90021e1c403d1..692617d73e1c7bad145136b1ba579a2a94cd1b76 100644
--- a/chrome/browser/resources/md_history/history_item.js
+++ b/chrome/browser/resources/md_history/history_item.js
@@ -93,7 +93,11 @@ Polymer({
     this.fire('toggle-menu', {
       x: position.left,
       y: position.top,
-      accessTime: this.timestamp_
+      itemIdentifier: {
+        url: this.websiteUrl_,
+        timestamps: this.timestamp_,
+        domain: this.websiteDomain_
+      }
     });
 
     // Stops the 'tap' event from closing the menu when it opens.