Fix homepage migration for users who never changed their settings.

chrome/browser/ui/browser_init.cc

Index: chrome/browser/ui/browser_init.cc
diff --git a/chrome/browser/ui/browser_init.cc b/chrome/browser/ui/browser_init.cc
index f021a8d4f4fd6031b61c317bfc3a761d285ffcca..6fb122a8bd2529e6df27eeea77713209bead106a 100644
--- a/chrome/browser/ui/browser_init.cc
+++ b/chrome/browser/ui/browser_init.cc
@@ -1194,10 +1194,9 @@ Browser* BrowserInit::LaunchWithProfile::ProcessSpecifiedURLs(
     UrlsToTabs(urls, &tabs);
 
   } else if (pref.type == SessionStartupPref::HOMEPAGE) {
-    // If the user had 'homepage' selected, we should have migrated them to
-    // 'URLs' instead.
-    DLOG(ERROR) << "pref.type == HOMEPAGE";
-    NOTREACHED();
+    // If 'homepage' selected, either by the user or by a policy, we should
+    // have migrated them to another value.
+    NOTREACHED() << "SessionStartupPref has deprecated type HOMEPAGE";
   }
 
   if (tabs.empty())