[MD History] Add search for synced devices.

chrome/browser/resources/md_history/synced_device_card.js

Index: chrome/browser/resources/md_history/synced_device_card.js
diff --git a/chrome/browser/resources/md_history/synced_device_card.js b/chrome/browser/resources/md_history/synced_device_card.js
index 4b01791c3551e8b0f16a840a60dd3ba4272f559b..44211705e9446de16c1469938f512e44470a057b 100644
--- a/chrome/browser/resources/md_history/synced_device_card.js
+++ b/chrome/browser/resources/md_history/synced_device_card.js
@@ -28,6 +28,14 @@ Polymer({
       observer: 'updateIcons_'
     },
 
+    /**
+     * The indexes where a window separator should be shown. The use of a
+     * separate array here is necessary for window separators to appear
+     * correctly in search. See http://crrev.com/2022003002 for more details.
+     * @type {!Array<number>}
+     */
+    separatorIndexes: Array,
+
     // Whether the card is open.
     cardOpen_: {
       type: Boolean,
@@ -68,5 +76,9 @@ Polymer({
             cr.icon.getFaviconImageSet(this.tabs[i].url);
       }
     });
+  },
+
+  isWindowSeparatorIndex_: function(index, separatorIndexes) {

[tsergeant, 2016/06/03 00:56:17]

Follow up nit since you need to rebase anyway:

/** @private */

+    return this.separatorIndexes.indexOf(index) != -1;
   }
 });