Use valid /prefetch arguments for process launches on Windows. - do not submit

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index 4dff7d21b77a67d1f32b9341df3c6f13af5c67a6..d5f28cb8a77a9c845d3f44d6bd5851072adc1a2d 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -111,6 +111,7 @@
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
+#include "chrome/common/prefetch_argument_win.h"
 #include "ui/views/focus/view_storage.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/chrome_browser_main_mac.h"
@@ -1271,6 +1272,10 @@ void BrowserProcessImpl::RestartBackgroundInstance() {
   DLOG(WARNING) << "Shutting down current instance of the browser.";
   chrome::AttemptExit();
 
+#if defined(OS_WIN)
+  chrome::AddWindowsPrefetchArgument(new_cl.get());

[gab, 2016/01/18 19:10:51]

Move to line 1271 (i.e. where |new_cl| is being built instead of after the exit
call).

+#endif  // defined(OS_WIN)
+
   // Transfer ownership to Upgrade.
   upgrade_util::SetNewCommandLine(new_cl.release());
 }