Added checks to IsOwnerProfile() method.

BUG=341969
TEST=none

Review URL: https://codereview.chromium.org/141243005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250102 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/chromeos/profiles/profile_helper.cc b/chrome/browser/chromeos/profiles/profile_helper.cc
index 1dfc89d..4ed6032 100644
--- a/chrome/browser/chromeos/profiles/profile_helper.cc
+++ b/chrome/browser/chromeos/profiles/profile_helper.cc
@@ -118,8 +118,12 @@
 
 // static
 bool ProfileHelper::IsOwnerProfile(Profile* profile) {
+  if (!profile)
+    return false;
   chromeos::UserManager* manager = chromeos::UserManager::Get();
   chromeos::User* user = manager->GetUserByProfile(profile);
+  if (!user)
+    return false;
   return user->email() == manager->GetOwnerEmail();
 }