WebView: RegisterNativesImpl() returns bool; don't compare it for >= 0.

android_webview/native/aw_http_auth_handler.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.
 
 #include "android_webview/native/aw_http_auth_handler.h"
 
 #include "android_webview/browser/aw_login_delegate.h"
 #include "android_webview/native/aw_contents.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 56 matching lines @@
 
 // static
 AwHttpAuthHandlerBase* AwHttpAuthHandlerBase::Create(
     AwLoginDelegate* login_delegate,
     net::AuthChallengeInfo* auth_info,
     bool first_auth_attempt) {
   return new AwHttpAuthHandler(login_delegate, auth_info, first_auth_attempt);
 }
 
 bool RegisterAwHttpAuthHandler(JNIEnv* env) {
-  return RegisterNativesImpl(env) >= 0;
+  return RegisterNativesImpl(env);
 }
 
 }  // namespace android_webview