Fix poblems found by PREfast.

chrome/browser/ui/webui/signin/inline_login_handler_impl.cc

Index: chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
diff --git a/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc b/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
index b821530415d35583a37ad5278033d1a557ba44ea..f39fd8a024028ddc4154b3d372c177d2edc3dbe0 100644
--- a/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
+++ b/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
@@ -567,13 +567,13 @@ bool InlineLoginHandlerImpl::CanOffer(Profile* profile,
     // If some profile, not just the current one, is already connected to this
     // account, don't show the infobar.
     if (g_browser_process && !same_email) {
-      ProfileManager* manager = g_browser_process->profile_manager();
-      if (manager) {
-        ProfileInfoCache& cache = manager->GetProfileInfoCache();
+      ProfileManager* profile_manager = g_browser_process->profile_manager();
+      if (profile_manager) {
+        ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
         for (size_t i = 0; i < cache.GetNumberOfProfiles(); ++i) {
-          std::string current_email =
+          std::string profile_email =
               base::UTF16ToUTF8(cache.GetUserNameOfProfileAtIndex(i));
-          if (gaia::AreEmailsSame(email, current_email)) {
+          if (gaia::AreEmailsSame(email, profile_email)) {
             if (error_message) {
               error_message->assign(
                   l10n_util::GetStringUTF8(IDS_SYNC_USER_NAME_IN_USE_ERROR));