Add device policies to control accessibility settings on the login screen

chrome/browser/policy/profile_policy_connector.cc

Index: chrome/browser/policy/profile_policy_connector.cc
diff --git a/chrome/browser/policy/profile_policy_connector.cc b/chrome/browser/policy/profile_policy_connector.cc
index f9f339a29c4e86e7051cdd9eaf222aaa65077af7..36e07dca753e6650796ef0217204f0be19a72fc4 100644
--- a/chrome/browser/policy/profile_policy_connector.cc
+++ b/chrome/browser/policy/profile_policy_connector.cc
@@ -22,10 +22,12 @@
 #include "chrome/browser/chromeos/login/user.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/policy/device_local_account_policy_provider.h"
+#include "chrome/browser/chromeos/policy/login_profile_policy_provider.h"
 #include "chrome/browser/chromeos/policy/network_configuration_updater.h"
 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.h"
 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
+#include "chrome/browser/policy/policy_service.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/dbus/cryptohome_client.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
@@ -62,7 +64,11 @@ void ProfilePolicyConnector::Init(
 
   bool is_managed = false;
   std::string username;
-  if (!chromeos::ProfileHelper::IsSigninProfile(profile_)) {
+  if (chromeos::ProfileHelper::IsSigninProfile(profile_)) {
+    special_user_policy_provider_.reset(new LoginProfilePolicyProvider(
+        connector->GetPolicyService()));
+    special_user_policy_provider_->Init();
+  } else {
     // |user| should never be NULL except for the signin profile.
     // TODO(joaodasilva): get the |user| that corresponds to the |profile_|
     // from the ProfileHelper, once that's ready.
@@ -77,9 +83,10 @@ void ProfilePolicyConnector::Init(
         chromeos::UserManager::Get()->GetLoggedInUsers().size() == 1;
     if (user->GetType() == chromeos::User::USER_TYPE_PUBLIC_ACCOUNT)
       InitializeDeviceLocalAccountPolicyProvider(username);
-    if (device_local_account_policy_provider_)
-      providers.push_back(device_local_account_policy_provider_.get());
   }
+  if (special_user_policy_provider_)
+    providers.push_back(special_user_policy_provider_.get());
+
 #else
   UserCloudPolicyManager* cloud_policy_manager =
       UserCloudPolicyManagerFactory::GetForProfile(profile_);
@@ -98,12 +105,10 @@ void ProfilePolicyConnector::Init(
 
 #if defined(OS_CHROMEOS)
   if (is_primary_user_) {
-    if (cloud_policy_manager) {
+    if (cloud_policy_manager)
       connector->SetUserPolicyDelegate(cloud_policy_manager);
-    } else if (device_local_account_policy_provider_) {
-      connector->SetUserPolicyDelegate(
-          device_local_account_policy_provider_.get());
-    }
+    else if (special_user_policy_provider_)
+      connector->SetUserPolicyDelegate(special_user_policy_provider_.get());
 
     chromeos::CryptohomeClient* cryptohome_client =
         chromeos::DBusThreadManager::Get()->GetCryptohomeClient();
@@ -131,8 +136,8 @@ void ProfilePolicyConnector::Shutdown() {
         connector->GetNetworkConfigurationUpdater();
     network_updater->UnsetUserPolicyService();
   }
-  if (device_local_account_policy_provider_)
-    device_local_account_policy_provider_->Shutdown();
+  if (special_user_policy_provider_)
+    special_user_policy_provider_->Shutdown();
 #endif
 
 #if defined(ENABLE_MANAGED_USERS)
@@ -158,10 +163,9 @@ void ProfilePolicyConnector::InitializeDeviceLocalAccountPolicyProvider(
       connector->GetDeviceLocalAccountPolicyService();
   if (!device_local_account_policy_service)
     return;
-  device_local_account_policy_provider_.reset(
-      new DeviceLocalAccountPolicyProvider(
-          username, device_local_account_policy_service));
-  device_local_account_policy_provider_->Init();
+  special_user_policy_provider_.reset(new DeviceLocalAccountPolicyProvider(
+      username, device_local_account_policy_service));
+  special_user_policy_provider_->Init();
 }
 
 void ProfilePolicyConnector::InitializeNetworkConfigurationUpdater(