Catch intptr_t to int conversion on 64-bit platforms.

base/android/jni_generator/testJarJarRemapping.golden

 // 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 is autogenerated by
 //     base/android/jni_generator/jni_generator.py
 // For
 //     org/chromium/example/jni_generator/Example
 
 #ifndef org_chromium_example_jni_generator_Example_JNI
 #define org_chromium_example_jni_generator_Example_JNI
 
 #include <jni.h>
 
 #include "base/android/jni_generator/jni_generator_helper.h"
 
+#include "base/android/jni_int_wrapper.h"
+
 // Step 1: forward declarations.
 namespace {
 const char kExampleClassPath[] = "com/test/jni_generator/Example";
 // Leaking this jclass as we cannot use LazyInstance from some threads.
 jclass g_Example_clazz = NULL;
 
 }  // namespace
 
 static void Test(JNIEnv* env, jclass jcaller,
     jobject t);
@@ skipping 21 matching lines @@
                            kMethodsExampleSize) < 0) {
     jni_generator::HandleRegistrationError(
         env, g_Example_clazz, __FILE__);
     return false;
   }
 
   return true;
 }
 
 #endif  // org_chromium_example_jni_generator_Example_JNI