Implement Win 10 onboarding content logic

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 9caec3b3b51986a3d74f665f9aa47bbd0971989f..e0fe6dac685f4bc20952aec152cb7f5c2ca72234 100644
--- a/chrome/browser/ui/startup/startup_browser_creator.cc
+++ b/chrome/browser/ui/startup/startup_browser_creator.cc
@@ -489,6 +489,9 @@ void StartupBrowserCreator::RegisterProfilePrefs(PrefRegistrySimple* registry) {
   // ProfileManager handles setting this to false for new profiles upon
   // creation.
   registry->RegisterBooleanPref(prefs::kHasSeenWelcomePage, true);
+
+  // All users should see this promo once.
+  registry->RegisterBooleanPref(prefs::kHasSeenWin10PromoPage, false);

[tmartino, 2016/12/15 16:41:28]

Per talking with Eli and Rachel, let's make this a per-machine value (use Local
State) instead of per-profile. (Just move this up after line 480 above, and then
read from Local State in StartupTabProvider.)

[Patrick Monette, 2016/12/15 18:28:09]

Done.

 }
 
 // static