MD History: Delete Grouped History

chrome/browser/resources/md_history/router.js

Index: chrome/browser/resources/md_history/router.js
diff --git a/chrome/browser/resources/md_history/router.js b/chrome/browser/resources/md_history/router.js
index 38c5f0514ebf4753273f7914efed353b552ced9e..b20d4e2f1111002f9221ad2fe8bfe911d8a40c58 100644
--- a/chrome/browser/resources/md_history/router.js
+++ b/chrome/browser/resources/md_history/router.js
@@ -15,8 +15,6 @@ Polymer({
     /** @type {QueryState} */
     queryState: Object,
 
-    grouped: Boolean,
-
     path_: String,
 
     queryParams_: Object,
@@ -44,20 +42,12 @@ Polymer({
   serializeUrl: function() {
     var path = this.selectedPage;
 
-    if (path == 'history' && this.queryState.range != HistoryRange.ALL_TIME)
-      path += '/' + this.rangeToString_(this.queryState.range);
-
     if (path == 'history')
       path = '';
 
-    var offsetParam = null;
-    if (this.selectedPage == 'history' && this.queryState.groupedOffset)
-      offsetParam = this.queryState.groupedOffset;
-
     // Make all modifications at the end of the method so observers can't change
     // the outcome.
     this.path_ = '/' + path;
-    this.set('queryParams_.offset', offsetParam);
     this.set('queryParams_.q', this.queryState.searchTerm || null);
   },
 
@@ -76,13 +66,6 @@ Polymer({
     var sections = this.path_.substr(1).split('/');
     var page = sections[0] || 'history';
 
-    if (page == 'history' && this.grouped) {
-      var range = sections.length > 1 ? this.stringToRange_(sections[1]) :
-                                        HistoryRange.ALL_TIME;
-      changes.range = range;
-      changes.offset = Number(this.queryParams_.offset) || 0;
-    }
-
     changes.search = this.queryParams_.q || '';
 
     // Must change selectedPage before `change-query`, otherwise the
@@ -101,34 +84,4 @@ Polymer({
     // changes get processed together.
     this.debounce('parseUrl', this.parseUrl_.bind(this));
   },
-
-  /**
-   * @param {!HistoryRange} range
-   * @return {string}
-   */
-  rangeToString_: function(range) {
-    switch (range) {
-      case HistoryRange.WEEK:
-        return 'week';
-      case HistoryRange.MONTH:
-        return 'month';
-      default:
-        return '';
-    }
-  },
-
-  /**
-   * @param {string} str
-   * @return {HistoryRange}
-   */
-  stringToRange_: function(str) {
-    switch (str) {
-      case 'week':
-        return HistoryRange.WEEK;
-      case 'month':
-        return HistoryRange.MONTH;
-      default:
-        return HistoryRange.ALL_TIME;
-    }
-  }
 });