PDF: Use KeyboardEvent.code instead of keyCode.

chrome/browser/resources/pdf/pdf.js

 // Copyright 2013 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.
 
 'use strict';
 
 /**
  * @return {number} Width of a scrollbar in pixels
  */
 function getScrollbarWidth() {
@@ skipping 266 matching lines @@
       if (this.viewport_.fittingType == Viewport.FittingType.FIT_TO_PAGE) {
         this.viewport_.goToPage(this.viewport_.getMostVisiblePage() + 1);
         // Since we do the movement of the page.
         e.preventDefault();
       } else if (fromScriptingAPI) {
         position.y += this.viewport.size.height;
         this.viewport.position = position;
       }
     }.bind(this);
 
-    switch (e.keyCode) {
-      case 9:  // Tab key.
+    switch (e.code) {
+      case 'Tab':
         this.toolbarManager_.showToolbarsForKeyboardNavigation();
         return;
-      case 27:  // Escape key.
+      case 'Escape':
         if (!this.isPrintPreview_) {
           this.toolbarManager_.hideSingleToolbarLayer();
           return;
         }
         break;  // Ensure escape falls through to the print-preview handler.
-      case 32:  // Space key.
+      case 'Space':
         if (e.shiftKey)
           pageUpHandler();
         else
           pageDownHandler();
         return;
-      case 33:  // Page up key.
+      case 'PageUp':
         pageUpHandler();
         return;
-      case 34:  // Page down key.
+      case 'PageDown':
         pageDownHandler();
         return;
-      case 37:  // Left arrow key.
+      case 'ArrowLeft':
         if (!(e.altKey || e.ctrlKey || e.metaKey || e.shiftKey)) {
           // Go to the previous page if there are no horizontal scrollbars and
           // no form field is focused.
           if (!(this.viewport_.documentHasScrollbars().horizontal ||
                 this.isFormFieldFocused_)) {
             this.viewport_.goToPage(this.viewport_.getMostVisiblePage() - 1);
             // Since we do the movement of the page.
             e.preventDefault();
           } else if (fromScriptingAPI) {
             position.x -= Viewport.SCROLL_INCREMENT;
             this.viewport.position = position;
           }
         }
         return;
-      case 38:  // Up arrow key.
+      case 'ArrowUp':
         if (fromScriptingAPI) {
           position.y -= Viewport.SCROLL_INCREMENT;
           this.viewport.position = position;
         }
         return;
-      case 39:  // Right arrow key.
+      case 'ArrowRight':
         if (!(e.altKey || e.ctrlKey || e.metaKey || e.shiftKey)) {
           // Go to the next page if there are no horizontal scrollbars and no
           // form field is focused.
           if (!(this.viewport_.documentHasScrollbars().horizontal ||
                 this.isFormFieldFocused_)) {
             this.viewport_.goToPage(this.viewport_.getMostVisiblePage() + 1);
             // Since we do the movement of the page.
             e.preventDefault();
           } else if (fromScriptingAPI) {
             position.x += Viewport.SCROLL_INCREMENT;
             this.viewport.position = position;
           }
         }
         return;
-      case 40:  // Down arrow key.
+      case 'ArrowDown':
         if (fromScriptingAPI) {
           position.y += Viewport.SCROLL_INCREMENT;
           this.viewport.position = position;
         }
         return;
-      case 65:  // 'a' key.
+      case 'KeyA':
         if (e.ctrlKey || e.metaKey) {
           this.plugin_.postMessage({
             type: 'selectAll'
           });
           // Since we do selection ourselves.
           e.preventDefault();
         }
         return;
-      case 71: // 'g' key.
+      case 'KeyG':
         if (this.toolbar_ && (e.ctrlKey || e.metaKey) && e.altKey) {
           this.toolbarManager_.showToolbars();
           this.toolbar_.selectPageNumber();
         }
         return;
-      case 219:  // Left bracket key.
+      case 'BracketLeft':
         if (e.ctrlKey)
           this.rotateCounterClockwise_();
         return;
-      case 220:  // Backslash key.
+      case 'Backslash':
         if (e.ctrlKey)
           this.zoomToolbar_.fitToggleFromHotKey();
         return;
-      case 221:  // Right bracket key.
+      case 'BracketRight':
         if (e.ctrlKey)
           this.rotateClockwise_();
         return;
     }
 
     // Give print preview a chance to handle the key event.
     if (!fromScriptingAPI && this.isPrintPreview_) {
       this.sendScriptingMessage_({
         type: 'sendKeyEvent',
         keyEvent: SerializeKeyEvent(e)
@@ skipping 474 matching lines @@
    * Each bookmark is an Object containing a:
    * - title
    * - page (optional)
    * - array of children (themselves bookmarks)
    * @type {Array} the top-level bookmarks of the PDF.
    */
   get bookmarks() {
     return this.bookmarks_;
   }
 };