MD History/Downloads: convert .bind(this) and function property values to use =>

chrome/browser/resources/md_history/app.js

Index: chrome/browser/resources/md_history/app.js
diff --git a/chrome/browser/resources/md_history/app.js b/chrome/browser/resources/md_history/app.js
index 2a39a590c126be704e4574fc8cbd801048daf089..a407cd8de3d512bd252fa5dba436637aa06193ea 100644
--- a/chrome/browser/resources/md_history/app.js
+++ b/chrome/browser/resources/md_history/app.js
@@ -41,33 +41,29 @@ Polymer({
     /** @type {!QueryState} */
     queryState_: {
       type: Object,
-      value: function() {
-        return {
-          // Whether the most recent query was incremental.
-          incremental: false,
-          // A query is initiated by page load.
-          querying: true,
-          queryingDisabled: false,
-          _range: HistoryRange.ALL_TIME,
-          searchTerm: '',
-          groupedOffset: 0,
-
-          set range(val) { this._range = Number(val); },
-          get range() { return this._range; },
-        };
-      }
+      value: () => ({
+        // Whether the most recent query was incremental.
+        incremental: false,
+        // A query is initiated by page load.
+        querying: true,
+        queryingDisabled: false,
+        _range: HistoryRange.ALL_TIME,
+        searchTerm: '',
+        groupedOffset: 0,
+
+        set range(val) { this._range = Number(val); },
+        get range() { return this._range; },
+      }),
     },
 
     /** @type {!QueryResult} */
     queryResult_: {
       type: Object,
-      value: function() {
-        return {
-          info: null,
-          results: null,
-          sessionList: null,
-        };
-      }
+      value: () => ({
+        info: null,
+        results: null,
+        sessionList: null,
+      }),
     },
 
     // True if the window is narrow enough for the page to have a drawer.
@@ -88,9 +84,7 @@ Polymer({
 
     showMenuPromo_: {
       type: Boolean,
-      value: function() {
-        return loadTimeData.getBoolean('showMenuPromo');
-      },
+      value: () => loadTimeData.getBoolean('showMenuPromo'),
     },
   },
 
@@ -329,8 +323,8 @@ Polymer({
   historyViewChanged_: function() {
     // This allows the synced-device-manager to render so that it can be set as
     // the scroll target.
-    requestAnimationFrame(function() {
-      md_history.ensureLazyLoaded().then(function() {
+    requestAnimationFrame(() => {
+      md_history.ensureLazyLoaded().then(() => {
         // <iron-pages> can occasionally end up with no item selected during
         // tests.
         if (!this.$.content.selectedItem)
@@ -338,8 +332,8 @@ Polymer({
         this.scrollTarget =
             this.$.content.selectedItem.getContentScrollTarget();
         this._scrollHandler();
-      }.bind(this));
-    }.bind(this));
+      });
+    });
     this.recordHistoryPageView_();
   },