MD Bookmarks: Make shortcuts for select all/deselect all global

chrome/browser/resources/md_bookmarks/list.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 Polymer({
   is: 'bookmarks-list',
 
   behaviors: [
     bookmarks.StoreClient,
   ],
@@ skipping 105 matching lines @@
   /** @private */
   isEmptyList_: function() {
     return this.displayedList_.length == 0;
   },
 
   /** @private */
   deselectItems_: function() {
     this.dispatch(bookmarks.actions.deselectItems());
   },
 
-  /** @private */
-  selectAllItems_: function() {
-    this.dispatch(
-        bookmarks.actions.selectAll(this.displayedIds_, this.getState()));
-  },
-
   /**
    * @param{HTMLElement} el
    * @private
    */
   getIndexForItemElement_: function(el) {
     return this.$.bookmarksCard.modelForElement(el).index;
   },
 
   /**
    * @param {KeyboardEvent} e
@@ skipping 19 matching lines @@
     } else if (e.key == 'End') {
       focusedIndex = list.items.length - 1;
       focusMoved = true;
     } else if (e.key == ' ' && e.ctrlKey) {
       this.dispatch(bookmarks.actions.selectItem(
           this.displayedIds_[focusedIndex], this.getState(), {
             clear: false,
             range: false,
             toggle: true,
           }));
-    } else if (e.key == 'a' && e.ctrlKey) {
-      this.selectAllItems_();
-    } else if (e.key == 'Escape') {
-      this.deselectItems_();
     } else {
       handled = false;
     }
 
     if (focusMoved) {
       focusedIndex = Math.min(list.items.length - 1, Math.max(0, focusedIndex));
       list.focusItem(focusedIndex);
 
       if (e.ctrlKey && !e.shiftKey) {
         this.dispatch(
@@ skipping 24 matching lines @@
 
     if (!handled) {
       handled = bookmarks.CommandManager.getInstance().handleKeyEvent(
           e, this.getState().selection.items);
     }
 
     if (handled)
       e.stopPropagation();
   },
 });