[Win] Fix crash if the profile dir cannot be created

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 998c36218d2d464397af86505576ba5a441f542a..2cfb3e81161cb21bf9ce49d402ef32798323210c 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -364,7 +364,9 @@ Profile* CreatePrimaryProfile(const content::MainFunctionParams& parameters,
   // signed out, then we should show the user manager instead. By switching
   // the active profile to the guest profile we ensure that no
   // browser windows will be opened for the guest profile.
-  if (switches::IsNewProfileManagement() && !profile->IsGuestSession()) {
+  if (switches::IsNewProfileManagement() &&
+      profile &&
+      !profile->IsGuestSession()) {
     ProfileInfoCache& cache =
         g_browser_process->profile_manager()->GetProfileInfoCache();
     size_t profile_index = cache.GetIndexOfProfileWithPath(profile_path);