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

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index cffc5a607904950e04e09aaf6b7762e899f8c20a..75d2c5ca8736137cc198e0598aa7709594136293 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -696,7 +696,7 @@ TestingProfile* TestingProfile::AsTestingProfile() {
   return this;
 }
 
-std::string TestingProfile::GetProfileUserName() {
+std::string TestingProfile::GetProfileUserName() const {
   return profile_name_;
 }
 
@@ -824,6 +824,11 @@ PrefService* TestingProfile::GetPrefs() {
   return prefs_.get();
 }
 
+const PrefService* TestingProfile::GetPrefs() const {
+  DCHECK(prefs_);
+  return prefs_.get();
+}
+
 DownloadManagerDelegate* TestingProfile::GetDownloadManagerDelegate() {
   return NULL;
 }