[WebView] Remove more redundant classes

android_webview/browser/aw_http_auth_handler_base.cc

Index: android_webview/browser/aw_http_auth_handler_base.cc
diff --git a/android_webview/browser/aw_http_auth_handler_base.cc b/android_webview/browser/aw_http_auth_handler_base.cc
deleted file mode 100644
index 0fd5419c2d172186824a2ba6ab92b28ca3946172..0000000000000000000000000000000000000000
--- a/android_webview/browser/aw_http_auth_handler_base.cc
+++ /dev/null
@@ -1,12 +0,0 @@
-// 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/browser/aw_http_auth_handler_base.h"
-
-namespace android_webview {
-
-AwHttpAuthHandlerBase::~AwHttpAuthHandlerBase() {
-}
-
-}  // namespace android_webview