Fix crash when spell checking with custom CefRequestContext (issue #1497).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1974 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/browser_main.cc

@@ -154,6 +154,8 @@ void CefBrowserMainParts::PreMainMessageLoopRun() {
     }
   }
 
+  // Spell checking support and possibly other subsystems retrieve the
+  // PrefService associated with a BrowserContext via UserPrefs::Get().
   user_prefs::UserPrefs::Set(browser_context(), pref_service());
 }
 
@@ -184,6 +186,10 @@ void CefBrowserMainParts::PostDestroyThreads() {
 }
 
 void CefBrowserMainParts::AddBrowserContext(CefBrowserContext* context) {
+  // Spell checking support and possibly other subsystems retrieve the
+  // PrefService associated with a BrowserContext via UserPrefs::Get().
+  user_prefs::UserPrefs::Set(context, pref_service());
+
   browser_contexts_.push_back(context);
 }