[WebView] Remove more redundant classes

android_webview/browser/aw_http_auth_handler.h

 // 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_AW_HTTP_AUTH_HANDLER_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_HTTP_AUTH_HANDLER_H_
 
 #include <jni.h>
 #include <string>
 
-#include "android_webview/browser/aw_http_auth_handler_base.h"
-#include "android_webview/browser/aw_login_delegate.h"
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/memory/ref_counted.h"
 
 namespace content {
 class WebContents;
 };
 
 namespace net {
 class AuthChallengeInfo;
 };
 
 namespace android_webview {
 
+class AwLoginDelegate;
+
 // Native class for Java class of same name and owns an instance
 // of that Java object.
 // One instance of this class is created per underlying AwLoginDelegate.
-class AwHttpAuthHandler : public AwHttpAuthHandlerBase {
+class AwHttpAuthHandler {
  public:
+  static AwHttpAuthHandler* Create(AwLoginDelegate* login_delegate,
+                                   net::AuthChallengeInfo* auth_info,
+                                   bool first_auth_attempt);
   AwHttpAuthHandler(AwLoginDelegate* login_delegate,
                     net::AuthChallengeInfo* auth_info,
                     bool first_auth_attempt);
-  ~AwHttpAuthHandler() override;
+  ~AwHttpAuthHandler();
 
   // from AwHttpAuthHandler
-  bool HandleOnUIThread(content::WebContents* web_contents) override;
+  bool HandleOnUIThread(content::WebContents* web_contents);
 
   void Proceed(JNIEnv* env,
                const base::android::JavaParamRef<jobject>& obj,
                const base::android::JavaParamRef<jstring>& username,
                const base::android::JavaParamRef<jstring>& password);
   void Cancel(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
 
  private:
   scoped_refptr<AwLoginDelegate> login_delegate_;
   base::android::ScopedJavaGlobalRef<jobject> http_auth_handler_;
   std::string host_;
   std::string realm_;
 };
 
 bool RegisterAwHttpAuthHandler(JNIEnv* env);
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_HTTP_AUTH_HANDLER_H_