Move base to DEPS

base/third_party/symbolize/BUILD.gn

Index: base/third_party/symbolize/BUILD.gn
diff --git a/base/third_party/symbolize/BUILD.gn b/base/third_party/symbolize/BUILD.gn
deleted file mode 100644
index ddcb789b44d042698024edb157584bddbdfd533f..0000000000000000000000000000000000000000
--- a/base/third_party/symbolize/BUILD.gn
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-source_set("symbolize") {
-  visibility = [ "//base/*" ]
-  sources = [
-    "config.h",
-    "demangle.cc",
-    "demangle.h",
-    "glog/logging.h",
-    "glog/raw_logging.h",
-    "symbolize.cc",
-    "symbolize.h",
-    "utilities.h",
-  ]
-
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-}