Welcome page changes for Windows 10 and over.

chrome/browser/ui/startup/startup_browser_creator.cc

Index: chrome/browser/ui/startup/startup_browser_creator.cc
diff --git a/chrome/browser/ui/startup/startup_browser_creator.cc b/chrome/browser/ui/startup/startup_browser_creator.cc
index 38cc153f64b02b303c24e3c0c13b89602e550bb3..23f73175f09cf0da6471c7f8f0aea3529ae7ecd5 100644
--- a/chrome/browser/ui/startup/startup_browser_creator.cc
+++ b/chrome/browser/ui/startup/startup_browser_creator.cc
@@ -21,6 +21,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/statistics_recorder.h"
+#include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/profiler/scoped_profile.h"
 #include "base/strings/string_number_conversions.h"
@@ -432,6 +433,15 @@ void StartupBrowserCreator::ClearLaunchedProfilesForTesting() {
 }
 
 // static
+void StartupBrowserCreator::RegisterLocalStatePrefs(
+    PrefRegistrySimple* registry) {
+#if defined(OS_WIN)
+  registry->RegisterStringPref(prefs::kLastWelcomedOSVersion, std::string());
+  registry->RegisterBooleanPref(prefs::kWelcomePageOnOSUpgradeEnabled, true);
+#endif
+}
+
+// static
 std::vector<GURL> StartupBrowserCreator::GetURLsFromCommandLine(
     const base::CommandLine& command_line,
     const base::FilePath& cur_dir,