webkit: Include stdio.h in cpp_binding_example

webkit/glue/cpp_binding_example.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains the definition for CppBindingExample, which is used in
 // cpp_bound_class_unittest.
 
 #include "cpp_binding_example.h"
 
+#include <stdio.h>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 
 namespace webkit_glue {
 
 namespace {
 
 class PropertyCallbackExample : public CppBoundClass::PropertyCallback {
  public:
   virtual bool GetValue(CppVariant* value) {
@@ skipping 106 matching lines @@
 void CppBindingExample::same(CppVariant* result) {
   result->Set(42);
 }
 
 void CppBindingExample::fallbackMethod(const CppArgumentList& args,
                                        CppVariant* result) {
   printf("Error: unknown JavaScript method invoked.\n");
 }
 
 }  // namespace webkit_glue