Welcome page changes for Windows 10 and over.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 472b75dbcc09b766fad017192bb5a4da488fee25..b508e7a894182fa23534fb685283fe0573ed854d 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1662,9 +1662,18 @@ const char kPrintPreviewStickySettings[] =
 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.