Replace NPObject usage in ppapi with gin

ppapi/tests/test_instance_deprecated.h

Index: ppapi/tests/test_instance_deprecated.h
diff --git a/ppapi/tests/test_instance_deprecated.h b/ppapi/tests/test_instance_deprecated.h
index dfccd138938e2b8a8b56519920a78d379fc02bee..117402710b390ad2c66dee2ac0e9dd69e0d82ac3 100644
--- a/ppapi/tests/test_instance_deprecated.h
+++ b/ppapi/tests/test_instance_deprecated.h
@@ -21,11 +21,16 @@ class TestInstance : public TestCase {
 
   void set_string(const std::string& s) { string_ = s; }
 
+
   // Leak a reference to the given var, but ignore the leak in the leak checking
   // that happens at shutdown. This allows us to test the "ForceFree" that
   // happens on instance shutdown.
   void LeakReferenceAndIgnore(const pp::Var& leaked);
 
+  void set_instance_object_destroyed(bool destroyed) {
+    instance_object_destroyed_ = destroyed;
+  }
+
  protected:
   // Test case protected overrides.
   virtual pp::deprecated::ScriptableObject* CreateTestObject();
@@ -40,6 +45,9 @@ class TestInstance : public TestCase {
   // Value written by set_string which is called by the ScriptableObject. This
   // allows us to keep track of what was called.
   std::string string_;
+
+  // Whether the instance object for this instance has been destroyed.
+  bool instance_object_destroyed_;
 };
 
 #endif  // PPAPI_TESTS_TEST_INSTANCE_H_