--- a/patches/chromium/feat_add_data_parameter_to_processsingleton.patch
+++ b/patches/chromium/feat_add_data_parameter_to_processsingleton.patch
@@ -32,7 +32,7 @@ index 5a64220aaf1309832dc0ad543e353de67fe0a779..e75c4f0d7cf1cac2e5862eb858800359
 -                                   const base::FilePath& current_directory)>;
 +       base::RepeatingCallback<bool(const base::CommandLine& command_line,
 +                                   const base::FilePath& current_directory,
-+                                   const std::vector<const uint8_t> additional_data)>;
++                                   const std::vector<uint8_t> additional_data)>;
  
  #if BUILDFLAG(IS_WIN)
    ProcessSingleton(const std::string& program_name,
@@ -73,7 +73,7 @@ index 7d3a441bdb64268ed5fbfa7bf589fb35a2fd1b75..a3e45e9baa09bfc87be5b7ff589ac768
    // |reader| is for sending back ACK message.
    void HandleMessage(const std::string& current_dir,
                       const std::vector<std::string>& argv,
-+                     const std::vector<const uint8_t> additional_data,
++                     const std::vector<uint8_t> additional_data,
                       SocketReader* reader);
  
   private:
@@ -84,7 +84,7 @@ index 7d3a441bdb64268ed5fbfa7bf589fb35a2fd1b75..a3e45e9baa09bfc87be5b7ff589ac768
 -    const std::string& current_dir, const std::vector<std::string>& argv,
 +    const std::string& current_dir,
 +    const std::vector<std::string>& argv,
-+    const std::vector<const uint8_t> additional_data,
++    const std::vector<uint8_t> additional_data,
      SocketReader* reader) {
    DCHECK(ui_task_runner_->BelongsToCurrentThread());
    DCHECK(reader);
@@ -114,7 +114,7 @@ index 7d3a441bdb64268ed5fbfa7bf589fb35a2fd1b75..a3e45e9baa09bfc87be5b7ff589ac768
 +  base::StringToSizeT(tokens[0], &num_args);
 +  std::vector<std::string> command_line(tokens.begin() + 1, tokens.begin() + 1 + num_args);
 +
-+  std::vector<const uint8_t> additional_data;
++  std::vector<uint8_t> additional_data;
 +  if (tokens.size() >= 3 + num_args) {
 +    size_t additional_data_size;
 +    base::StringToSizeT(tokens[1 + num_args], &additional_data_size);
@@ -123,7 +123,7 @@ index 7d3a441bdb64268ed5fbfa7bf589fb35a2fd1b75..a3e45e9baa09bfc87be5b7ff589ac768
 +        std::string(1, kTokenDelimiter));
 +    const uint8_t* additional_data_bits =
 +        reinterpret_cast<const uint8_t*>(remaining_args.c_str());
-+    additional_data = std::vector<const uint8_t>(
++    additional_data = std::vector<uint8_t>(
 +        additional_data_bits, additional_data_bits + additional_data_size);
 +  }
 +
@@ -189,7 +189,7 @@ index 0ea5eb3e3cf055d981ab73486115bac53287f2d7..fe68beb4b2522d27e07dbbb3341f100f
                        base::CommandLine* parsed_command_line,
 -                      base::FilePath* current_directory) {
 +                      base::FilePath* current_directory,
-+                      std::vector<const uint8_t>* parsed_additional_data) {
++                      std::vector<uint8_t>* parsed_additional_data) {
    // We should have enough room for the shortest command (min_message_size)
    // and also be a multiple of wchar_t bytes. The shortest command
 -  // possible is L"START\0\0" (empty current directory and command line).
@@ -230,7 +230,7 @@ index 0ea5eb3e3cf055d981ab73486115bac53287f2d7..fe68beb4b2522d27e07dbbb3341f100f
 +        msg.substr(fourth_null + 1, fifth_null - fourth_null);
 +    const uint8_t* additional_data_bytes =
 +        reinterpret_cast<const uint8_t*>(additional_data.c_str());
-+    *parsed_additional_data = std::vector<const uint8_t>(additional_data_bytes,
++    *parsed_additional_data = std::vector<uint8_t>(additional_data_bytes,
 +        additional_data_bytes + additional_data_length);
 +
      return true;
@@ -241,7 +241,7 @@ index 0ea5eb3e3cf055d981ab73486115bac53287f2d7..fe68beb4b2522d27e07dbbb3341f100f
    base::CommandLine parsed_command_line(base::CommandLine::NO_PROGRAM);
    base::FilePath current_directory;
 -  if (!ParseCommandLine(cds, &parsed_command_line, &current_directory)) {
-+  std::vector<const uint8_t> additional_data;
++  std::vector<uint8_t> additional_data;
 +  if (!ParseCommandLine(cds, &parsed_command_line, &current_directory, &additional_data)) {
      *result = TRUE;
      return true;
--- a/shell/browser/api/electron_api_app.cc
+++ b/shell/browser/api/electron_api_app.cc
@@ -519,10 +519,10 @@ bool NotificationCallbackWrapper(
     const base::RepeatingCallback<
         void(const base::CommandLine& command_line,
              const base::FilePath& current_directory,
-             const std::vector<const uint8_t> additional_data)>& callback,
+             const std::vector<uint8_t> additional_data)>& callback,
     const base::CommandLine& cmd,
     const base::FilePath& cwd,
-    const std::vector<const uint8_t> additional_data) {
+    const std::vector<uint8_t> additional_data) {
   // Make sure the callback is called after app gets ready.
   if (Browser::Get()->is_ready()) {
     callback.Run(cmd, cwd, std::move(additional_data));
@@ -1083,7 +1083,7 @@ std::string App::GetLocaleCountryCode() {
 
 void App::OnSecondInstance(const base::CommandLine& cmd,
                            const base::FilePath& cwd,
-                           const std::vector<const uint8_t> additional_data) {
+                           const std::vector<uint8_t> additional_data) {
   v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
   v8::Locker locker(isolate);
   v8::HandleScope handle_scope(isolate);
--- a/shell/browser/api/electron_api_app.h
+++ b/shell/browser/api/electron_api_app.h
@@ -195,7 +195,7 @@ class App : public ElectronBrowserClient::Delegate,
   std::string GetLocaleCountryCode();
   void OnSecondInstance(const base::CommandLine& cmd,
                         const base::FilePath& cwd,
-                        const std::vector<const uint8_t> additional_data);
+                        const std::vector<uint8_t> additional_data);
   bool HasSingleInstanceLock() const;
   bool RequestSingleInstanceLock(gin::Arguments* args);
   void ReleaseSingleInstanceLock();