Rename NullHandle to ScopedNullHandle

This makes it clearer that is invalid to do things like:
Handle<T> h = ScopedNullHandle<T>();

Bug: 26233305
Change-Id: I6d8f54eae01ec2e901cb7043afa853ea77db79fe

1 files changed, 7 insertions, 2 deletions

diff --git a/compiler/driver/compiler_driver_test.cc b/compiler/driver/compiler_driver_test.cc
index 86f8b823cc..b6abc6e8de 100644
--- a/compiler/driver/compiler_driver_test.cc
+++ b/compiler/driver/compiler_driver_test.cc
@@ -149,9 +149,14 @@ TEST_F(CompilerDriverTest, AbstractMethodErrorStub) {
   jobject class_loader;
   {
     ScopedObjectAccess soa(Thread::Current());
-    CompileVirtualMethod(NullHandle<mirror::ClassLoader>(), "java.lang.Class", "isFinalizable",
+    CompileVirtualMethod(ScopedNullHandle<mirror::ClassLoader>(),
+                         "java.lang.Class",
+                         "isFinalizable",
                          "()Z");
-    CompileDirectMethod(NullHandle<mirror::ClassLoader>(), "java.lang.Object", "<init>", "()V");
+    CompileDirectMethod(ScopedNullHandle<mirror::ClassLoader>(),
+                        "java.lang.Object",
+                        "<init>",
+                        "()V");
     class_loader = LoadDex("AbstractMethod");
   }
   ASSERT_TRUE(class_loader != nullptr);