Visit class roots from ClassLoader::VisitReferences

This causes the classes of a class loader to get marked when that
class loader gets marked instead of during class root visiting.

Bug: 22720414

Change-Id: If53f042aff1d9f7bf94ecbe6886601edda029b7d
diff --git a/runtime/class_table-inl.h b/runtime/class_table-inl.h
new file mode 100644
index 0000000..dc60a2c
--- /dev/null
+++ b/runtime/class_table-inl.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_CLASS_TABLE_INL_H_
+#define ART_RUNTIME_CLASS_TABLE_INL_H_
+
+#include "class_table.h"
+
+namespace art {
+
+template<class Visitor>
+void ClassTable::VisitRoots(Visitor& visitor) {
+  for (ClassSet& class_set : classes_) {
+    for (GcRoot<mirror::Class>& root : class_set) {
+      visitor.VisitRoot(root.AddressWithoutBarrier());
+    }
+  }
+}
+
+template<class Visitor>
+void ClassTable::VisitRoots(const Visitor& visitor) {
+  for (ClassSet& class_set : classes_) {
+    for (GcRoot<mirror::Class>& root : class_set) {
+      visitor.VisitRoot(root.AddressWithoutBarrier());
+    }
+  }
+}
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_CLASS_TABLE_INL_H_