Keep event page alive when there's some Pepper plugin on it.

ppapi/tests/extensions/load_unload/load_unload.cc

Index: ppapi/tests/extensions/load_unload/load_unload.cc
diff --git a/ppapi/tests/extensions/load_unload/load_unload.cc b/ppapi/tests/extensions/load_unload/load_unload.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7801674226565104dff6eca0b681a257af9b2f0d
--- /dev/null
+++ b/ppapi/tests/extensions/load_unload/load_unload.cc
@@ -0,0 +1,25 @@
+// Copyright (c) 2015 The Chromium Authors. All rights reserved.

[bartfab (slow), 2015/05/18 09:57:41]

Nit: s/(c) //

[emaxx, 2015/05/18 15:06:30]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+
+namespace {
+
+class Module : public pp::Module {
+ public:
+  virtual pp::Instance* CreateInstance(PP_Instance instance) {
+    return new pp::Instance(instance);
+  }
+};
+
+}  // namespace
+
+namespace pp {
+
+Module* CreateModule() {
+  return new ::Module();
+}
+
+}  // namespace pp