[Cleanup] Const-correct the profile() method for the EasyUnlockService

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index 1cd6531da472112af66f188ab75a1f1c6f456ec4..e998fafac2cd26ca34d3e5f928523738829ceac1 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -225,7 +225,7 @@ void OffTheRecordProfileImpl::TrackZoomLevelsFromParent() {
                      base::Unretained(this)));
 }
 
-std::string OffTheRecordProfileImpl::GetProfileUserName() {
+std::string OffTheRecordProfileImpl::GetProfileUserName() const {
   // Incognito profile should not return the username.
   return std::string();
 }
@@ -298,6 +298,10 @@ PrefService* OffTheRecordProfileImpl::GetPrefs() {
   return prefs_;
 }
 
+const PrefService* OffTheRecordProfileImpl::GetPrefs() const {
+  return prefs_;
+}
+
 PrefService* OffTheRecordProfileImpl::GetOffTheRecordPrefs() {
   return prefs_;
 }