Update to Chromium revision 40af916d (#303546).

- Standardize usage of virtual/override specifiers in CEF internals (see http://crbug.com/417463).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1903 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/unittests/browser_info_map_unittest.cc

@@ -36,10 +36,10 @@ class MyVisitor : public MyObjectMap::Visitor {
         remove_browser_id_(remove_browser_id),
         remove_info_id_(remove_info_id) {}
 
-  virtual bool OnNextInfo(int browser_id,
-                          InfoIdType info_id,
-                          InfoObjectType info,
-                          bool* remove) OVERRIDE {
+  bool OnNextInfo(int browser_id,
+                  InfoIdType info_id,
+                  InfoObjectType info,
+                  bool* remove) override {
     Info info_rec;
     info_rec.browser_id = browser_id;
     info_rec.info_id = info_id;