Minor changes to allow Pepper InstancePrivate tests to pass 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..7710842b60799ed8b5b07b314fb9b255538e4656 100644
--- a/ppapi/tests/test_instance_deprecated.h
+++ b/ppapi/tests/test_instance_deprecated.h
@@ -10,6 +10,27 @@
 
 #include "ppapi/tests/test_case.h"
 
+// ScriptableObject used by instance.
+class InstanceSO : public pp::deprecated::ScriptableObject {
+ public:
+  explicit InstanceSO(TestInstance* i);
+  virtual ~InstanceSO();
+
+  // pp::deprecated::ScriptableObject overrides.
+  bool HasMethod(const pp::Var& name, pp::Var* exception);
+  pp::Var Call(const pp::Var& name,
+               const std::vector<pp::Var>& args,
+               pp::Var* exception);
+
+  // For out-of-process, the InstanceSO might be deleted after the instance was
+  // already destroyed, so we can't rely on test_instance_ being valid.
+  void clear_test_instance() { test_instance_ = NULL; }
+
+ private:
+  TestInstance* test_instance_;
+  const PPB_Testing_Private* testing_interface_;
+};
+
 class TestInstance : public TestCase {
  public:
   TestInstance(TestingInstance* instance);
@@ -26,6 +47,10 @@ class TestInstance : public TestCase {
   // happens on instance shutdown.
   void LeakReferenceAndIgnore(const pp::Var& leaked);
 
+  // This resets the scriptable object if it gets destroyed before the instance
+  // which should be the case for in-process tests.
+  void clear_instance_so() { instance_so_ = NULL; }
+
  protected:
   // Test case protected overrides.
   virtual pp::deprecated::ScriptableObject* CreateTestObject();
@@ -40,6 +65,9 @@ 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_;
+
+  // The scriptable object for this test.
+  InstanceSO* instance_so_;
 };
 
 #endif  // PPAPI_TESTS_TEST_INSTANCE_H_