ChromeOS: Remove ProfileHelper::IsSigninProfile.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 8b6afe1160dfdf9afa3c0da05a21cadc5656aafe..6f3b16d88391d095649a83130b5416450d591c6c 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -380,7 +380,7 @@ ProfileImpl::ProfileImpl(
       last_session_exit_type_(EXIT_NORMAL),
       start_time_(Time::Now()),
 #if defined(OS_CHROMEOS)
-      is_login_profile_(false),
+      is_login_profile_(path.BaseName().value() == chrome::kInitialProfile),
 #endif
       delegate_(delegate),
       predictor_(NULL) {
@@ -424,7 +424,6 @@ ProfileImpl::ProfileImpl(
   bool async_prefs = create_mode == CREATE_MODE_ASYNCHRONOUS;
 
 #if defined(OS_CHROMEOS)
-  is_login_profile_ = chromeos::ProfileHelper::IsSigninProfile(this);
   if (is_login_profile_)
     chrome::RegisterLoginProfilePrefs(pref_registry_.get());
   else
@@ -1224,7 +1223,7 @@ void ProfileImpl::GetCacheParameters(bool is_media_context,
 
 PrefProxyConfigTracker* ProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
-  if (chromeos::ProfileHelper::IsSigninProfile(this)) {
+  if (is_login_profile_) {
     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
         g_browser_process->local_state());
   }