MD History: Add menu to cards on Synced Tabs page

chrome/browser/resources/md_history/browser_service.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Defines a singleton object, md_history.BrowserService, which
  * provides access to chrome.send APIs.
  */
 
 cr.define('md_history', function() {
@@ skipping 51 matching lines @@
      * @param {number} tabId
      * @param {Event} e
      */
     openForeignSessionTab: function(sessionTag, windowId, tabId, e) {
       chrome.send('openForeignSession', [
         sessionTag, String(windowId), String(tabId), e.button || 0, e.altKey,
         e.ctrlKey, e.metaKey, e.shiftKey
       ]);
     },
 
+    /**
+     * @param {string} sessionTag
+     */
+    deleteForeignSession: function(sessionTag) {
+      chrome.send('deleteForeignSession', [sessionTag]);
+    },
+
     openClearBrowsingData: function() {
       chrome.send('clearBrowsingData');
     },
 
     /**
      * @param {boolean} successful
      * @private
      */
     resolveDelete_: function(successful) {
       if (this.pendingDeleteItems_ == null ||
@@ skipping 23 matching lines @@
   md_history.BrowserService.getInstance().resolveDelete_(true);
 }
 
 /**
  * Called by the history backend when the deletion failed.
  */
 function deleteFailed() {
   md_history.BrowserService.getInstance().resolveDelete_(false);
 }