refactor: more cleanup of chromium_src (#15424)

patches/common/chromium/chrome_process_finder.patch

@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Milan Burda <miburda@microsoft.com>
+Date: Fri, 26 Oct 2018 20:45:49 +0200
+Subject: chrome_process_finder.patch
+
+Fix some problems when using app.makeSingleInstance on POSIX systems
+* The original command line of new instances are passed instead
+  of the one modified by Chromium.
+* The command line is passed as Array.
+
+Reference: https://github.com/electron/electron/pull/3175
+
+diff --git a/chrome/browser/win/chrome_process_finder.cc b/chrome/browser/win/chrome_process_finder.cc
+index 4fdea2af27020303a66a747304c5ecce5cc698d5..598ba8171631dbcf7ad23bc4b5c74a750bbaa47c 100644
+--- a/chrome/browser/win/chrome_process_finder.cc
++++ b/chrome/browser/win/chrome_process_finder.cc
+@@ -43,15 +43,6 @@ NotifyChromeResult AttemptToNotifyRunningChrome(HWND remote_window,
+   if (!thread_id || !process_id)
+     return NOTIFY_FAILED;
+ 
+-  base::CommandLine command_line(*base::CommandLine::ForCurrentProcess());
+-  command_line.AppendSwitchASCII(
+-      switches::kOriginalProcessStartTime,
+-      base::Int64ToString(
+-          base::CurrentProcessInfo::CreationTime().ToInternalValue()));
+-
+-  if (fast_start)
+-    command_line.AppendSwitch(switches::kFastStart);
+-
+   // Send the command line to the remote chrome window.
+   // Format is "START\0<<<current directory>>>\0<<<commandline>>>".
+   std::wstring to_send(L"START\0", 6);  // want the NULL in the string.
+@@ -60,7 +51,7 @@ NotifyChromeResult AttemptToNotifyRunningChrome(HWND remote_window,
+     return NOTIFY_FAILED;
+   to_send.append(cur_dir.value());
+   to_send.append(L"\0", 1);  // Null separator.
+-  to_send.append(command_line.GetCommandLineString());
++  to_send.append(::GetCommandLineW());
+   to_send.append(L"\0", 1);  // Null separator.
+ 
+   // Allow the current running browser window to make itself the foreground