Bug 735805 - Part 3: Fix plugin mochitests that run no tests. r=roc

dom/plugins/test/mochitest/cocoa_focus.html

@@ -33,8 +33,8 @@
       const NSLeftMouseDown          = 1,
             NSLeftMouseUp            = 2;
 
-      // Don't run any tests if we're not testing the Cocoa event model.
       if (plugin1.getEventModel() != 1) {
+        window.opener.todo(false, "Skipping this test when not testing the Cocoa event model");
         window.opener.testsFinished();
         return;
       }

dom/plugins/test/mochitest/cocoa_window_focus.html

@@ -26,8 +26,8 @@
       var plugin1 = document.getElementById("plugin1");
       var plugin2 = document.getElementById("plugin2");
 
-      // Don't run any tests if we're not testing the Cocoa event model.
       if (plugin1.getEventModel() != 1) {
+        window.opener.todo(false, "Skipping this test when not testing the Cocoa event model");
         window.opener.testsFinished();
         return;
       }

dom/plugins/test/mochitest/test_pluginstream_seek_close.html

@@ -5,7 +5,7 @@
           src="/tests/SimpleTest/SimpleTest.js"></script>
   <link rel="stylesheet" type="text/css" 
         href="/tests/SimpleTest/test.css" />
-<script type="application/javascript>
+<script>
   SimpleTest.waitForExplicitFinish();
 
   function frameLoaded() {