Welcome page changes for Windows 10 and over.

chrome/browser/signin/signin_promo.cc

Index: chrome/browser/signin/signin_promo.cc
diff --git a/chrome/browser/signin/signin_promo.cc b/chrome/browser/signin/signin_promo.cc
index 22663cac69961ba7af50846ef0d9915019a87844..0f0c1e0ddaec0b6c4dc0b8b0c76adcfae9c82ca2 100644
--- a/chrome/browser/signin/signin_promo.cc
+++ b/chrome/browser/signin/signin_promo.cc
@@ -38,6 +38,10 @@
 #include "net/base/url_util.h"
 #include "url/gurl.h"
 
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
 using content::WebContents;
 
 namespace {
@@ -115,6 +119,12 @@ bool ShouldShowPromoAtStartup(Profile* profile, bool is_new_profile) {
       return false;
   }
 
+#if defined(OS_WIN)
+  // Do not show the promo on first run on Win10 and newer.
+  if (is_new_profile && base::win::GetVersion() >= base::win::VERSION_WIN10)
+    return false;
+#endif
+
   if (HasUserSkippedPromo(profile))
     return false;