enable macos build

content/browser/browser_main_loop.cc

@@ -922,18 +922,34 @@ int BrowserMainLoop::CreateThreads() {
 
 
 int BrowserMainLoop::CreateMillixNode() {
+  base::FilePath dir_exe = base::FilePath();
+  base::PathService::Get(base::DIR_EXE, &dir_exe);
+  LOG(INFO) << "running node from " << dir_exe.value().c_str();
+
   base::LaunchOptions options;
-  options.current_directory = base::FilePath(L"./millix_node");
+  #if defined(OS_WIN)
+    options.current_directory = base::FilePath("./millix_node");
     base::CommandLine millix_command_line(
-      base::FilePath(L"./millix_node/nodejs/node.exe"));
+        base::FilePath("./millix_node/nodejs/node.exe"));
     millix_command_line.AppendArg(
         "./nodejs/node_modules/@babel/node/bin/babel-node.js");
+  #else
+    options.current_directory = dir_exe.AppendASCII("millix_node");
+    base::CommandLine millix_command_line(
+        base::FilePath("./nodejs/bin/node"));
+    millix_command_line.AppendArg(
+        "./nodejs/lib/node_modules/@babel/node/bin/babel-node.js");
+  #endif
   millix_command_line.AppendArg("index.js");
   // --enable-logging --v=2
   LOG(INFO) << "Starting millix node: " << millix_command_line.GetCommandLineString();
+  
+  #if defined(OS_WIN)
     options.inherit_mode = base::LaunchOptions::Inherit::kAll;
     options.start_hidden = true;
-  millix_process_ = std::make_unique<base::Process>(base::LaunchProcess(millix_command_line.GetCommandLineString(), options));
+  #endif
+
+  millix_process_ = std::make_unique<base::Process>(base::LaunchProcess(millix_command_line, options));
   if (!millix_process_->IsValid()) {
     LOG(ERROR) << "Unable to run millix node " << millix_command_line.GetCommandLineString().c_str();
     return -1;