Welcome page changes for Windows 10 and over.

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 977 matching lines @@
       // when this value will be updated.
       local_state_->SetInt64(prefs::kVariationsSeedDate,
                              base::Time::Now().ToInternalValue());
     }
 
     if (!master_prefs_->suppress_default_browser_prompt_for_version.empty()) {
       local_state_->SetString(
           prefs::kBrowserSuppressDefaultBrowserPrompt,
           master_prefs_->suppress_default_browser_prompt_for_version);
     }
+
+#if defined(OS_WIN)
+    if (!master_prefs_->welcome_page_on_os_upgrade_enabled)
+      local_state_->SetBoolean(prefs::kWelcomePageOnOSUpgradeEnabled, false);
+#endif
   }
 #endif  // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
 
 #if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX)
   // Set the product channel for crash reports.
   base::debug::SetCrashKeyValue(crash_keys::kChannel,
       chrome::VersionInfo::GetVersionStringModifier());
 #endif  // defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX)
 
   // Initialize tracking synchronizer system.
@@ skipping 772 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(OS_ANDROID)
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }