chrome/browser/profiles: Change auto to not deduce raw pointers.

chrome/browser/profiles/profile_browsertest.cc

Index: chrome/browser/profiles/profile_browsertest.cc
diff --git a/chrome/browser/profiles/profile_browsertest.cc b/chrome/browser/profiles/profile_browsertest.cc
index 461d7867374619a6558ead2a31b4c641bf198831..97d11b954fc053b842a2a5c6e3189f11912048e3 100644
--- a/chrome/browser/profiles/profile_browsertest.cc
+++ b/chrome/browser/profiles/profile_browsertest.cc
@@ -596,7 +596,7 @@ IN_PROC_BROWSER_TEST_F(ProfileBrowserTest,
   Profile* profile = loaded_profiles[0];
 
 #if defined(OS_CHROMEOS)
-  for (const auto& loaded_profile : loaded_profiles) {
+  for (auto* loaded_profile : loaded_profiles) {
     if (!chromeos::ProfileHelper::IsSigninProfile(loaded_profile)) {
       profile = loaded_profile;
       break;