cros: Added policies for screen unlock.

chrome/browser/profiles/profile.cc

Index: chrome/browser/profiles/profile.cc
diff --git a/chrome/browser/profiles/profile.cc b/chrome/browser/profiles/profile.cc
index 0b9b30c12714e4653136acbcb2bbb0826cc08118..710f559e6a682c5840887f25be07a812bde80884 100644
--- a/chrome/browser/profiles/profile.cc
+++ b/chrome/browser/profiles/profile.cc
@@ -28,6 +28,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "base/command_line.h"
+#include "chrome/browser/chromeos/login/quick_unlock/quick_unlock_utils.h"
 #include "chrome/common/chrome_switches.h"
 #include "chromeos/chromeos_switches.h"
 #endif
@@ -172,6 +173,14 @@ void Profile::RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
 
 #if defined(OS_CHROMEOS)
   registry->RegisterBooleanPref(prefs::kAllowScreenLock, true);
+
+  base::ListValue screen_unlock_whitelist_default;

[jdufault, 2016/10/27 19:40:04]

Is this the best location to register these prefs? It seems like a lot of
cros-specific things are registered similar to
WallpaperManagerBase::RegisterPrefs[1].

1:
https://cs.chromium.org/chromium/src/components/wallpaper/wallpaper_manager_b...

[jdufault, 2016/10/27 19:40:04]

screen_unlock_whitelist_default => quick_unlock_default_whitelist

[sammiequon, 2016/10/27 23:54:43]

Done.

[sammiequon, 2016/10/27 23:54:43]

Done.

+  screen_unlock_whitelist_default.AppendString("password");

[jdufault, 2016/10/27 19:40:04]

Remove password

[sammiequon, 2016/10/27 23:54:43]

Done.

+  registry->RegisterListPref(prefs::kQuickUnlockModeWhitelist,
+                             screen_unlock_whitelist_default.DeepCopy());
+  registry->RegisterIntegerPref(
+      prefs::kQuickUnlockTimeout,
+      static_cast<int>(chromeos::PasswordConfirmationFrequency::DAY));
 #endif
 }