Add print and getSelectedText functions to the OOP PDF scripting API

chrome/browser/resources/pdf/pdf_scripting_api.js

Index: chrome/browser/resources/pdf/pdf_scripting_api.js
diff --git a/chrome/browser/resources/pdf/pdf_scripting_api.js b/chrome/browser/resources/pdf/pdf_scripting_api.js
index 33556b994fda8cafe273c55fb86deff19e3bed5e..e8dd4bca03a412020645901432979cf911758427 100644
--- a/chrome/browser/resources/pdf/pdf_scripting_api.js
+++ b/chrome/browser/resources/pdf/pdf_scripting_api.js
@@ -39,6 +39,12 @@ function PDFScriptingAPI(window, plugin) {
           this.accessibilityCallback_ = null;
         }
         break;
+      case 'getSelectedTextReply':
+        if (this.selectedTextCallback_) {
+          this.selectedTextCallback_(event.data.selectedText);
+          this.selectedTextCallback_ = null;
+        }
+        break;
     }
   }.bind(this), false);
 }
@@ -129,7 +135,8 @@ PDFScriptingAPI.prototype = {
   },
 
   /**
-   * Get accessibility JSON for the document.
+   * Get accessibility JSON for the document. May only be called after document
+   * load.
    * @param {Function} callback a callback to be called with the accessibility
    *     json that has been retrieved.
    * @param {number} [page] the 0-indexed page number to get accessibility data
@@ -152,6 +159,42 @@ PDFScriptingAPI.prototype = {
   },
 
   /**
+   * Select all the text in the document. May only be called after document
+   * load.
+   */
+  selectAll: function() {
+    this.sendMessage_({
+      type: 'selectAll'
+    });
+  },
+
+  /**
+   * Get the selected text in the document. The callback will be called with the
+   * text that is selected. May only be called after document load.
+   * @param {Function} callback a callback to be called with the selected text.
+   * @return {boolean} true if the function is successful, false if there is an
+   *     outstanding request for selected text that has not been answered.
+   */
+  getSelectedText: function(callback) {
+    if (this.selectedTextCallback_)
+      return false;
+    this.selectedTextCallback_ = callback;
+    this.sendMessage_({
+      type: 'getSelectedText'
+    });
+    return true;
+  },
+
+  /**
+   * Print the document. May only be called after document load.
+   */
+  print: function() {
+    this.sendMessage_({
+      type: 'print'
+    });
+  },
+
+  /**
    * Send a key event to the extension.
    * @param {number} keyCode the key code to send to the extension.
    */