Use a valid /prefetch argument when launching a process.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 4ef4c6f439a3c43abf6ac0db48de5597071e44c3..ce5c637bf94d4b831615efd84915271ae3e4c9d1 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -167,6 +167,7 @@
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "chrome/browser/chrome_browser_main_win.h"
+#include "components/startup_metric_utils/common/pre_read_field_trial_utils_win.h"
 #include "sandbox/win/src/sandbox_policy.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/chrome_browser_main_mac.h"
@@ -2636,6 +2637,10 @@ bool ChromeContentBrowserClient::PreSpawnRenderer(
                            L"File");
   return result == sandbox::SBOX_ALL_OK;
 }
+
+bool ChromeContentBrowserClient::ShouldUseWindowsPrefetchArgument() const {
+  return startup_metric_utils::GetPreReadOptions().use_prefetch_argument;
+}
 #endif
 
 void ChromeContentBrowserClient::RegisterFrameMojoShellServices(