Implement Win 10 onboarding content logic

chrome/browser/ui/startup/startup_browser_creator.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 
 #include <stddef.h>
 
 #include <algorithm>  // For max().
 #include <limits>
@@ skipping 471 matching lines @@
   registry->RegisterBooleanPref(prefs::kSuppressUnsupportedOSWarning, false);
   registry->RegisterBooleanPref(prefs::kWasRestarted, false);
 }
 
 // static
 void StartupBrowserCreator::RegisterProfilePrefs(PrefRegistrySimple* registry) {
   // Default to true so that existing users are not shown the Welcome page.
   // 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
 std::vector<GURL> StartupBrowserCreator::GetURLsFromCommandLine(
     const base::CommandLine& command_line,
     const base::FilePath& cur_dir,
     Profile* profile) {
   DCHECK(profile);
 
   std::vector<GURL> urls;
@@ skipping 486 matching lines @@
     if (!entry->IsSigninRequired()) {
       Profile* profile = profile_manager->GetProfile(entry->GetPath());
       if (profile)
         return profile;
     }
   }
 
   return nullptr;
 }
 #endif  // !defined(OS_CHROMEOS) && !defined(OS_ANDROID)