Replace paper-checkbox with a paper-icon-button-light

chrome/browser/resources/md_history/history_list_behavior.js

Index: chrome/browser/resources/md_history/history_list_behavior.js
diff --git a/chrome/browser/resources/md_history/history_list_behavior.js b/chrome/browser/resources/md_history/history_list_behavior.js
index 0a6d4393873bd6cf21308d8f844b9b6015d9d4a6..cc3111eaf0e21e374399061334fdaef5740dabcf 100644
--- a/chrome/browser/resources/md_history/history_list_behavior.js
+++ b/chrome/browser/resources/md_history/history_list_behavior.js
@@ -213,10 +213,12 @@ var HistoryListBehavior = {
     if (paths.length == 0)
       paths.push(item.path);
 
+    var selected = !this.selectedPaths.has(item.path);
+
     paths.forEach(function(path) {
-      this.set(path + '.selected', item.selected);
+      this.set(path + '.selected', selected);
 
-      if (item.selected) {
+      if (selected) {
         this.selectedPaths.add(path);
         return;
       }