Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h

Index: third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h
diff --git a/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h b/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h
new file mode 100644
index 0000000000000000000000000000000000000000..4bae4a89677abf14c6364402cc6bf3cd463ded96
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vp9/common/vp9_quant_common.h
@@ -0,0 +1,36 @@
+/*
+ *  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_COMMON_VP9_QUANT_COMMON_H_
+#define VP9_COMMON_VP9_QUANT_COMMON_H_
+
+#include "vpx/vpx_codec.h"
+#include "vp9/common/vp9_seg_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MINQ 0
+#define MAXQ 255
+#define QINDEX_RANGE (MAXQ - MINQ + 1)
+#define QINDEX_BITS 8
+
+int16_t vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
+int16_t vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
+
+int vp9_get_qindex(const struct segmentation *seg, int segment_id,
+                   int base_qindex);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP9_COMMON_VP9_QUANT_COMMON_H_