diff --git a/modules/camera/3_4/metadata/tagged_partial_metadata.h b/modules/camera/3_4/metadata/tagged_partial_metadata.h
new file mode 100644
index 0000000..0e02c06
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+++ b/modules/camera/3_4/metadata/tagged_partial_metadata.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 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 V4L2_CAMERA_HAL_METADATA_TAGGED_PARTIAL_METADATA_H_
+#define V4L2_CAMERA_HAL_METADATA_TAGGED_PARTIAL_METADATA_H_
+
+#include "partial_metadata_interface.h"
+
+namespace v4l2_camera_hal {
+
+// A simple base class for PartialMetadataInterfaces that tracks tags.
+class TaggedPartialMetadata : public PartialMetadataInterface {
+ public:
+  TaggedPartialMetadata(std::vector<int32_t> static_tags,
+                        std::vector<int32_t> control_tags,
+                        std::vector<int32_t> dynamic_tags)
+      : static_tags_(std::move(static_tags)),
+        control_tags_(std::move(control_tags)),
+        dynamic_tags_(std::move(dynamic_tags)){};
+  virtual ~TaggedPartialMetadata(){};
+
+  virtual const std::vector<int32_t>& StaticTags() const override {
+    return static_tags_;
+  };
+
+  virtual const std::vector<int32_t>& ControlTags() const override {
+    return control_tags_;
+  };
+
+  virtual const std::vector<int32_t>& DynamicTags() const override {
+    return dynamic_tags_;
+  };
+
+  // Child classes still need to override the Populate/Supported/Set methods.
+
+ private:
+  const std::vector<int32_t> static_tags_;
+  const std::vector<int32_t> control_tags_;
+  const std::vector<int32_t> dynamic_tags_;
+};
+
+}  // namespace v4l2_camera_hal
+
+#endif  // V4L2_CAMERA_HAL_METADATA_TAGGED_PARTIAL_METADATA_H_