Welcome page changes for Windows 10 and over.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/basictypes.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 1644 matching lines @@
 
 // The last used printer and its settings.
 const char kPrintPreviewStickySettings[] =
     "printing.print_preview_sticky_settings";
 
 // The list of BackgroundContents that should be loaded when the browser
 // launches.
 const char kRegisteredBackgroundContents[] = "background_contents.registered";
 
 #if defined(OS_WIN)
+// The "major.minor" OS version for which the welcome page was last shown.
+const char kLastWelcomedOSVersion[] = "browser.last_welcomed_os_version";
+
 // An int that stores how often we've shown the "Chrome is configured to
 // auto-launch" infobar.
 const char kShownAutoLaunchInfobar[] = "browser.shown_autolaunch_infobar";
+
+// Boolean that specifies whether or not showing the welcome page following an
+// OS upgrade is enabled. True by default. May be overridden by the
+// WelcomePageOnOSUpgradeEnabled policy setting or by master_preferences.

[gab, 2015/07/09 18:05:13]

Technically it's not "overridden" by master_preferences, it's "set from"
master_preferences, WDYT of:

// May be set from master_preferences or overridden by the
WelcomePageOnOSUpgradeEnabled policy setting.

?

[grt (UTC plus 2), 2015/07/10 15:43:25]

SGTM, thanks.

+const char kWelcomePageOnOSUpgradeEnabled[] =
+    "browser.welcome_page_on_os_upgrade_enabled";
 #endif
 
 // String that lists supported HTTP authentication schemes.
 const char kAuthSchemes[] = "auth.schemes";
 
 // Boolean that specifies whether to disable CNAME lookups when generating
 // Kerberos SPN.
 const char kDisableAuthNegotiateCnameLookup[] =
     "auth.disable_negotiate_cname_lookup";
 
@@ skipping 576 matching lines @@
     "supervised_users.whitelists";
 
 #if defined(ENABLE_EXTENSIONS)
 // Policy that indicates how to handle animated images.
 const char kAnimationPolicy[] = "settings.a11y.animation_policy";
 #endif
 
 const char kBackgroundTracingLastUpload[] = "background_tracing.last_upload";
 
 }  // namespace prefs