Skip profiles in GetLastOpenedProfiles that fail to initialize

chrome/browser/profiles/profile.h

Index: chrome/browser/profiles/profile.h
diff --git a/chrome/browser/profiles/profile.h b/chrome/browser/profiles/profile.h
index f5feb756b325422e5159699680eaff0c9890e264..2f25d0265831ac1409e69550899eac6233e914b0 100644
--- a/chrome/browser/profiles/profile.h
+++ b/chrome/browser/profiles/profile.h
@@ -129,6 +129,8 @@ class Profile : public content::BrowserContext {
 
   // Create a new profile given a path. If |create_mode| is
   // CREATE_MODE_ASYNCHRONOUS then the profile is initialized asynchronously.
+  // Can return null if |create_mode| is CREATE_MODE_SYNCHRONOUS and the
+  // creation of the profile directory fails.
   static Profile* CreateProfile(const base::FilePath& path,
                                 Delegate* delegate,
                                 CreateMode create_mode);