[gn] Move build to gypfiles

build/coverage_wrapper.py

-#!/usr/bin/env python
-# Copyright 2016 the V8 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.
-
-# CC/CXX wrapper script that excludes certain file patterns from coverage
-# instrumentation.
-
-import re
-import subprocess
-import sys
-
-exclusions = [
-  'buildtools',
-  'src/third_party',
-  'third_party',
-  'test',
-  'testing',
-]
-
-def remove_if_exists(string_list, item):
-  if item in string_list:
-    string_list.remove(item)
-
-args = sys.argv[1:]
-text = ' '.join(sys.argv[2:])
-for exclusion in exclusions:
-  if re.search(r'\-o obj/%s[^ ]*\.o' % exclusion, text):
-    remove_if_exists(args, '-fprofile-arcs')
-    remove_if_exists(args, '-ftest-coverage')
-    remove_if_exists(args, '-fsanitize-coverage=func')
-    remove_if_exists(args, '-fsanitize-coverage=bb')
-    remove_if_exists(args, '-fsanitize-coverage=edge')
-    break
-
-sys.exit(subprocess.check_call(args))