Remove CEF-specific integer and char16 typedef's (see #3507)

tests/ceftests/extensions/extension_test_handler.h

@@ -56,7 +56,7 @@ class ExtensionTestHandler : public RoutingTestHandler,
   // CefMessageRouterBrowserSide::Handler methods:
   bool OnQuery(CefRefPtr<CefBrowser> browser,
                CefRefPtr<CefFrame> frame,
-               int64 query_id,
+               int64_t query_id,
                const CefString& request,
                bool persistent,
                CefRefPtr<Callback> callback) override;