feat: upgrade to Node 12 (#17838)

* fix: add boringssl backport to support node upgrade

* fix: Update node_includes.h, add DCHECK macros

* fix: Update node Debug Options parser usage

* fix: Fix asar setup

* fix: using v8Util in isolated context

* fix: make "process" available in preload scripts

* fix: use proper options parser and remove setting of _breakFirstLine

_breakFirstLine was being set on the process, but that has changed in node 12 and so is no longer needed. Node will handle it properly when --inspect-brk is provided

* chore: update node dep sha

* fix: process.binding => _linkedBinding in sandboxed isolated preload

* fix: make original-fs work with streams

* build: override node module version

* fix: use _linkedBinding in content_script/init.js

* chore: update node ref in DEPS

* build: node_module_version should be 73

lib/renderer/init.ts

@@ -4,6 +4,24 @@ import * as path from 'path'
 
 const Module = require('module')
 
+// Make sure globals like "process" and "global" are always available in preload
+// scripts even after they are deleted in "loaded" script.
+//
+// Note 1: We rely on a Node patch to actually pass "process" and "global" and
+// other arguments to the wrapper.
+//
+// Note 2: Node introduced a new code path to use native code to wrap module
+// code, which does not work with this hack. However by modifying the
+// "Module.wrapper" we can force Node to use the old code path to wrap module
+// code with JavaScript.
+Module.wrapper = [
+  '(function (exports, require, module, __filename, __dirname, process, global, Buffer) { ' +
+  // By running the code in a new closure, it would be possible for the module
+  // code to override "process" and "Buffer" with local variables.
+  'return function (exports, require, module, __filename, __dirname) { ',
+  '\n}.call(this, exports, require, module, __filename, __dirname); });'
+]
+
 // We modified the original process.argv to let node.js load the
 // init.js, we need to restore it here.
 process.argv.splice(1, 1)