Fix build issues in base/ for Android x64

base/android/java_handler_thread.cc

 // Copyright 2013 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.
 
 #include "base/android/java_handler_thread.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 28 matching lines @@
                                reinterpret_cast<intptr_t>(&initialize_event));
   // Wait for thread to be initialized so it is ready to be used when Start
   // returns.
   base::ThreadRestrictions::ScopedAllowWait wait_allowed;
   initialize_event.Wait();
 }
 
 void JavaHandlerThread::Stop() {
 }
 
-void JavaHandlerThread::InitializeThread(JNIEnv* env, jobject obj, jint event) {
+void JavaHandlerThread::InitializeThread(JNIEnv* env, jobject obj,
+                                         jlong event) {
   // TYPE_JAVA to get the Android java style message loop.
   message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_JAVA));
   static_cast<MessageLoopForUI*>(message_loop_.get())->Start();
   reinterpret_cast<base::WaitableEvent*>(event)->Signal();
 }
 
 // static
 bool JavaHandlerThread::RegisterBindings(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 } // namespace android
 } // namespace base