PDF Viewer - Add keyboard shortcuts for rotation

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';
 
 <include src="../../../../ui/webui/resources/js/util.js">
 <include src="open_pdf_params_parser.js">
 <include src="pdf_scripting_api.js">
 <include src="viewport.js">
@@ skipping 240 matching lines @@
           e.preventDefault();
         }
         return;
       case 80:  // p key.
         if (e.ctrlKey || e.metaKey) {
           this.print_();
           // Since we do the printing of the page.
           e.preventDefault();
         }
         return;
+      case 219: // left bracket.

[Lei Zhang, 2014/09/18 20:41:06]

nit: 2 spaces before //

[Nikhil, 2014/09/19 14:12:47]

Done.

+        this.plugin_.postMessage({
+          type: 'rotateCounterclockwise',
+        });
+        return;
+      case 221: // right bracket.
+        this.plugin_.postMessage({
+          type: 'rotateClockwise',
+        });
+        return;
     }
   },
 
   /**
    * @private
    * Notify the plugin to print.
    */
   print_: function() {
     this.plugin_.postMessage({
       type: 'print',
@@ skipping 297 matching lines @@
 
   /**
    * @type {Viewport} the viewport of the PDF viewer.
    */
   get viewport() {
     return this.viewport_;
   }
 };
 
 var viewer = new PDFViewer();