Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/vp9/encoder/vp9_picklpf.h

Index: third_party/libvpx/source/libvpx/vp9/encoder/vp9_picklpf.h
diff --git a/third_party/libvpx/source/libvpx/vp9/encoder/vp9_picklpf.h b/third_party/libvpx/source/libvpx/vp9/encoder/vp9_picklpf.h
new file mode 100644
index 0000000000000000000000000000000000000000..33c490f6935fcbeb9e95edb5a9f6ad5f2b711865
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vp9/encoder/vp9_picklpf.h
@@ -0,0 +1,30 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#ifndef VP9_ENCODER_VP9_PICKLPF_H_
+#define VP9_ENCODER_VP9_PICKLPF_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "vp9/encoder/vp9_encoder.h"
+
+struct yv12_buffer_config;
+struct VP9_COMP;
+
+void vp9_pick_filter_level(const struct yv12_buffer_config *sd,
+                           struct VP9_COMP *cpi, LPF_PICK_METHOD method);
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP9_ENCODER_VP9_PICKLPF_H_