Reset browser.check_default_browser on update.

chrome/browser/ui/browser_ui_prefs.cc

Index: chrome/browser/ui/browser_ui_prefs.cc
diff --git a/chrome/browser/ui/browser_ui_prefs.cc b/chrome/browser/ui/browser_ui_prefs.cc
index 0fb1f172ead6118e96839d6ae470224a1ed46d1c..21503a8baefb9d2a2f11385c2f72a1407fc17307 100644
--- a/chrome/browser/ui/browser_ui_prefs.cc
+++ b/chrome/browser/ui/browser_ui_prefs.cc
@@ -15,6 +15,10 @@
 #include "components/translate/core/common/translate_pref_names.h"
 #include "content/public/common/webrtc_ip_handling_policy.h"
 
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
 namespace chrome {
 
 void RegisterBrowserPrefs(PrefRegistrySimple* registry) {
@@ -79,6 +83,12 @@ void RegisterBrowserUserPrefs(user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterInt64Pref(prefs::kLastClearBrowsingDataTime, 0);
   registry->RegisterIntegerPref(prefs::kModuleConflictBubbleShown, 0);
   registry->RegisterBooleanPref(prefs::kCheckDefaultBrowser, true);
+  bool reset_check_default = false;
+#if defined(OS_WIN)
+  reset_check_default = base::win::GetVersion() >= base::win::VERSION_WIN10;
+#endif
+  registry->RegisterBooleanPref(prefs::kResetCheckDefaultBrowser,
+                                reset_check_default);
   registry->RegisterBooleanPref(prefs::kWebAppCreateOnDesktop, true);
   registry->RegisterBooleanPref(prefs::kWebAppCreateInAppsMenu, true);
   registry->RegisterBooleanPref(prefs::kWebAppCreateInQuickLaunchBar, true);