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

chrome/browser/signin/signin_manager_factory.cc

Index: chrome/browser/signin/signin_manager_factory.cc
diff --git a/chrome/browser/signin/signin_manager_factory.cc b/chrome/browser/signin/signin_manager_factory.cc
index 7867c6941193e11137eeb81e55fcd658d74fae44..9e6ab705d2978452b4cb1aa90378c743c35d03ac 100644
--- a/chrome/browser/signin/signin_manager_factory.cc
+++ b/chrome/browser/signin/signin_manager_factory.cc
@@ -36,6 +36,13 @@ SigninManagerBase* SigninManagerFactory::GetForProfileIfExists(
       GetInstance()->GetServiceForBrowserContext(profile, false));
 }
 
+const SigninManagerBase* SigninManagerFactory::GetForProfileIfExists(
+    const Profile* profile) {
+  return static_cast<const SigninManagerBase*>(
+      GetInstance()->GetServiceForBrowserContext(
+          const_cast<Profile*>(profile), false));
+}
+
 // static
 SigninManagerBase* SigninManagerFactory::GetForProfile(
     Profile* profile) {
@@ -55,6 +62,14 @@ SigninManager* SigninManagerFactory::GetForProfileIfExists(Profile* profile) {
   return static_cast<SigninManager*>(
       GetInstance()->GetServiceForBrowserContext(profile, false));
 }
+
+// static
+const SigninManager* SigninManagerFactory::GetForProfileIfExists(
+    const Profile* profile) {
+  return static_cast<const SigninManager*>(
+      GetInstance()->GetServiceForBrowserContext(
+          const_cast<Profile*>(profile), false));
+}
 #endif
 
 // static