Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

chrome/browser/ui/webui/help/help_handler.cc

Index: chrome/browser/ui/webui/help/help_handler.cc
diff --git a/chrome/browser/ui/webui/help/help_handler.cc b/chrome/browser/ui/webui/help/help_handler.cc
index 6c7b8ae59c94f8ff0fd0a0d3e110c95b964af0b6..3963634071aef68f759bd6c8638e2687bbac84d4 100644
--- a/chrome/browser/ui/webui/help/help_handler.cc
+++ b/chrome/browser/ui/webui/help/help_handler.cc
@@ -119,14 +119,14 @@ bool CanChangeChannel() {
       return false;
     // Get the currently logged in user and strip the domain part only.
     std::string domain = "";
-    std::string user = chromeos::UserManager::Get()->GetLoggedInUser()->email();
+    std::string user = chromeos::GetUserManager()->GetLoggedInUser()->email();
     size_t at_pos = user.find('@');
     if (at_pos != std::string::npos && at_pos + 1 < user.length())
       domain = user.substr(user.find('@') + 1);
     policy::BrowserPolicyConnectorChromeOS* connector =
         g_browser_process->platform_part()->browser_policy_connector_chromeos();
     return domain == connector->GetEnterpriseDomain();
-  } else if (chromeos::UserManager::Get()->IsCurrentUserOwner()) {
+  } else if (chromeos::GetUserManager()->IsCurrentUserOwner()) {
     // On non managed machines we have local owner who is the only one to change
     // anything. Ensure that ReleaseChannelDelegated is false.
     return !value;
@@ -431,7 +431,7 @@ void HelpHandler::SetChannel(const base::ListValue* args) {
 
   version_updater_->SetChannel(base::UTF16ToUTF8(channel),
                                is_powerwash_allowed);
-  if (chromeos::UserManager::Get()->IsCurrentUserOwner()) {
+  if (chromeos::GetUserManager()->IsCurrentUserOwner()) {
     // Check for update after switching release channel.
     version_updater_->CheckForUpdate(base::Bind(&HelpHandler::SetUpdateStatus,
                                                 base::Unretained(this)));