[MD History] Focus the search bar on load.

chrome/browser/resources/md_history/app.crisper.js

Index: chrome/browser/resources/md_history/app.crisper.js
diff --git a/chrome/browser/resources/md_history/app.crisper.js b/chrome/browser/resources/md_history/app.crisper.js
index 3e75862e14094e32974a703a7d4959977c019372..d5cf2641e84c50007c9b09394c66aa7301cb2def 100644
--- a/chrome/browser/resources/md_history/app.crisper.js
+++ b/chrome/browser/resources/md_history/app.crisper.js
@@ -14434,7 +14434,8 @@ Polymer({
   },
 
   unselectAllItems: function(count) {
-    this.getSelectedList_().unselectAllItems(count);
+    if (this.getSelectedList_())
+      this.getSelectedList_().unselectAllItems(count);
   },
 
   /**
@@ -15087,7 +15088,7 @@ Polymer({
     queryParams_: Object,
 
     // True if the window is narrow enough for the page to have a drawer.
-    hasDrawer_: Boolean,
+    hasDrawer: Boolean,
   },
 
   observers: [
@@ -15176,6 +15177,13 @@ Polymer({
   },
 
   /**
+   * Focuses the search bar in the toolbar.
+   */
+  focusToolbarSearchField: function() {
+    this.$.toolbar.showSearchField();
+  },
+
+  /**
    * Fired when the user presses 'More from this site'.
    * @param {{detail: {domain: string}}} e
    */
@@ -15223,7 +15231,7 @@ Polymer({
    */
   onCommand_: function(e) {
     if (e.command.id == 'find-command' || e.command.id == 'slash-command')
-      this.$.toolbar.showSearchField();
+      this.focusToolbarSearchField();
     if (e.command.id == 'delete-command')
       this.deleteSelected();
   },