Add print and getSelectedText functions to the OOP PDF scripting API

chrome/test/data/pdf/basic_plugin_test.js

Index: chrome/test/data/pdf/basic_plugin_test.js
diff --git a/chrome/test/data/pdf/basic_plugin_test.js b/chrome/test/data/pdf/basic_plugin_test.js
index 1e0d7e62902f8e7dfedbaac9c79cd63b9004198a..42b0e1da1ad5eb97bdfe1c3e07f604ac59ef92ce 100644
--- a/chrome/test/data/pdf/basic_plugin_test.js
+++ b/chrome/test/data/pdf/basic_plugin_test.js
@@ -45,7 +45,15 @@ var tests = [
       chrome.test.assertEq('some more text',
                            dict.textBox[1].textNodes[0].text);
     }), 0);
-  }
+  },
+
+  function testGetSelectedText() {
+    var client = new PDFScriptingAPI(window, window);
+    client.selectAll();
+    client.getSelectedText(chrome.test.callbackPass(function(selectedText) {
+      chrome.test.assertEq('this is some text\nsome more text', selectedText);
+    }));
+  },
 ];
 
 var client = new PDFScriptingAPI(window, window);