Various fixes related to the C++11/14 update (see issue #3140)

- Convert scoped_ptr to std::unique_ptr from <memory>
- Convert arraysize to base::size from include/base/cef_cxx17_backports.h
- Convert NULL to nullptr
- Include include/base/cef_callback.h instead of include/base/cef_bind.h
- Implicit conversion of CefRefPtr<T> or scoped_refptr<T> to T* is gone;
  use .get() instead

See the issue for additional details.

libcef_dll/wrapper/libcef_dll_dylib.cc

@@ -9,12 +9,13 @@
 // implementations. See the translator.README.txt file in the tools directory
 // for more information.
 //
-// $hash=9fbe1de9cf7f32c551c535e190d4c82b4947765d$
+// $hash=85426bf2da9016443939636319265fff616f1cb4$
 //
 
 #include <dlfcn.h>
 #include <stdio.h>
 
+#include "include/base/cef_compiler_specific.h"
 #include "include/capi/cef_app_capi.h"
 #include "include/capi/cef_browser_capi.h"
 #include "include/capi/cef_command_line_capi.h"