Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/build/make/gen_asm_deps.sh

Index: third_party/libvpx/source/libvpx/build/make/gen_asm_deps.sh
diff --git a/third_party/libvpx/source/libvpx/build/make/gen_asm_deps.sh b/third_party/libvpx/source/libvpx/build/make/gen_asm_deps.sh
new file mode 100755
index 0000000000000000000000000000000000000000..6a7bff9ebce4c11eccae70e76619c8332f4353b6
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/build/make/gen_asm_deps.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+##
+##  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.
+##
+
+
+self=$0
+show_help() {
+    echo "usage: $self [options] <srcfile>"
+    echo
+    echo "Generate Makefile dependency information from assembly code source"
+    echo
+    exit 1
+}
+die_unknown(){
+    echo "Unknown option \"$1\"."
+    echo "See $0 --help for available options."
+    exit 1
+}
+for opt do
+    optval="${opt#*=}"
+    case "$opt" in
+    --build-pfx=*) pfx="${optval}"
+    ;;
+    --depfile=*) out="${optval}"
+    ;;
+    -I*) raw_inc_paths="${raw_inc_paths} ${opt}"
+         inc_path="${inc_path} ${opt#-I}"
+    ;;
+    -h|--help) show_help
+    ;;
+    *) [ -f "$opt" ] && srcfile="$opt"
+    ;;
+    esac
+done
+
+[ -n "$srcfile" ] || show_help
+sfx=${sfx:-asm}
+includes=$(LC_ALL=C egrep -i "include +\"?[a-z0-9_/]+\.${sfx}" $srcfile |
+           perl -p -e "s;.*?([a-z0-9_/]+.${sfx}).*;\1;")
+#" restore editor state
+for inc in ${includes}; do
+    found_inc_path=
+    for idir in ${inc_path}; do
+        [ -f "${idir}/${inc}" ] && found_inc_path="${idir}" && break
+    done
+    if [ -f `dirname $srcfile`/$inc ]; then
+        # Handle include files in the same directory as the source
+        $self --build-pfx=$pfx --depfile=$out ${raw_inc_paths} `dirname $srcfile`/$inc
+    elif [ -n "${found_inc_path}" ]; then
+        # Handle include files on the include path
+        $self --build-pfx=$pfx --depfile=$out ${raw_inc_paths} "${found_inc_path}/$inc"
+    else
+        # Handle generated includes in the build root (which may not exist yet)
+        echo ${out} ${out%d}o: "${pfx}${inc}"
+    fi
+done
+echo ${out} ${out%d}o: $srcfile