Introduce new test for bookmark loading.

chrome/browser/resources/pdf/pdf.js

Index: chrome/browser/resources/pdf/pdf.js
diff --git a/chrome/browser/resources/pdf/pdf.js b/chrome/browser/resources/pdf/pdf.js
index b82f9132842777c3bd55ae2556471b51762a743d..d387319f2fd3d0b99b7925f2355d7c837ca08fc7 100644
--- a/chrome/browser/resources/pdf/pdf.js
+++ b/chrome/browser/resources/pdf/pdf.js
@@ -613,5 +613,16 @@ PDFViewer.prototype = {
    */
   get viewport() {
     return this.viewport_;
+  },
+
+  /**
+   * Each bookmark is an Object containing a:
+   * - title
+   * - page

[Sam McNally, 2015/01/18 23:56:57]

Optional?

[Alexandre Carlton, 2015/01/19 00:42:47]

Done.

+   * - array of children (themselves bookmarks)
+   * @type {Array} the top-level bookmarks of the PDF.
+   */
+  get bookmarks() {
+    return this.bookmarks_;
   }
 };