Add print and getSelectedText functions to the OOP PDF scripting API

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 360 matching lines @@
         this.sendScriptingMessage_(message.data);
         break;
       case 'getPassword':
         // If the password screen isn't up, put it up. Otherwise we're
         // responding to an incorrect password so deny it.
         if (!this.passwordScreen_.active)
           this.passwordScreen_.active = true;
         else
           this.passwordScreen_.deny();
         break;
+      case 'getSelectedTextReply':
+        this.sendScriptingMessage_(message.data);
+        break;
       case 'goToPage':
         this.viewport_.goToPage(message.data.page);
         break;
       case 'loadProgress':
         this.updateProgress_(message.data.progress);
         break;
       case 'navigate':
         if (message.data.newTab)
           window.open(message.data.url);
         else
@@ skipping 129 matching lines @@
   /**
    * @private
    * Handle a scripting message from outside the extension (typically sent by
    * PDFScriptingAPI in a page containing the extension) to interact with the
    * plugin.
    * @param {MessageObject} message the message to handle.
    */
   handleScriptingMessage: function(message) {
     switch (message.data.type.toString()) {
       case 'getAccessibilityJSON':
+      case 'getSelectedText':
       case 'loadPreviewPage':
+      case 'print':
+      case 'selectAll':
         this.plugin_.postMessage(message.data);
         break;
       case 'resetPrintPreviewMode':
         if (!this.inPrintPreviewMode_) {
           this.inPrintPreviewMode_ = true;
           this.viewport_.fitToPage();
         }
 
         // Stash the scroll location so that it can be restored when the new
         // document is loaded.
@@ skipping 62 matching lines @@
               this.streamDetails_.tabId != -1);
   },
 
   /**
    * @type {Viewport} the viewport of the PDF viewer.
    */
   get viewport() {
     return this.viewport_;
   }
 };