MD History: Refresh the list when clearing browsing data

chrome/browser/resources/md_history/history_list.js

Index: chrome/browser/resources/md_history/history_list.js
diff --git a/chrome/browser/resources/md_history/history_list.js b/chrome/browser/resources/md_history/history_list.js
index 11b59112e52d82afcd77d6f342b1d7140d652865..ca84834584515dd1a6f345e84ca4d4099814bc30 100644
--- a/chrome/browser/resources/md_history/history_list.js
+++ b/chrome/browser/resources/md_history/history_list.js
@@ -18,6 +18,11 @@ Polymer({
 
     querying: Boolean,
 
+    clearingHistory_: {
+      type: Boolean,
+      value: false,
+    },
+
     // An array of history entries in reverse chronological order.
     historyData_: Array,
 
@@ -70,13 +75,24 @@ Polymer({
    * Adds the newly updated history results into historyData_. Adds new fields
    * for each result.
    * @param {!Array<!HistoryEntry>} historyResults The new history results.
+   * @param {boolean} incremental Whether the result is from loading more
+   * history, or a new search/list reload.
+   * @param {number} selectedCount Number of selected items.
    */
-  addNewResults: function(historyResults) {
+  addNewResults: function(historyResults, incremental, selectedCount) {
     var results = historyResults.slice();
     /** @type {IronScrollThresholdElement} */(this.$['scroll-threshold'])
         .clearTriggers();
 
-    if (this.lastSearchedTerm_ != this.searchedTerm) {
+    // Do not reload the list when clearing browsing data and there are items
+    // checked.
+    if (this.clearingHistory_) {
+      this.clearingHistory_ = false;
+      if (selectedCount > 0)
+        return;
+    }
+
+    if (!incremental) {
       this.resultLoadingDisabled_ = false;
       if (this.historyData_)
         this.splice('historyData_', 0, this.historyData_.length);
@@ -96,6 +112,10 @@ Polymer({
     }
   },
 
+  clearingHistory: function() {
+    this.clearingHistory_ = true;
+  },
+
   /**
    * Called when the page is scrolled to near the bottom of the list.
    * @private