[WebView] Remove more redundant classes

android_webview/browser/aw_http_auth_handler.cc

Index: android_webview/browser/aw_http_auth_handler.cc
diff --git a/android_webview/browser/aw_http_auth_handler.cc b/android_webview/browser/aw_http_auth_handler.cc
index d0a22db5592c1f12de7530163e298e99740fe2bf..35e85a24f48364f197d773d8edfffb729b312910 100644
--- a/android_webview/browser/aw_http_auth_handler.cc
+++ b/android_webview/browser/aw_http_auth_handler.cc
@@ -67,10 +67,9 @@ bool AwHttpAuthHandler::HandleOnUIThread(content::WebContents* web_contents) {
 }
 
 // static
-AwHttpAuthHandlerBase* AwHttpAuthHandlerBase::Create(
-    AwLoginDelegate* login_delegate,
-    net::AuthChallengeInfo* auth_info,
-    bool first_auth_attempt) {
+AwHttpAuthHandler* AwHttpAuthHandler::Create(AwLoginDelegate* login_delegate,
+                                             net::AuthChallengeInfo* auth_info,
+                                             bool first_auth_attempt) {
   return new AwHttpAuthHandler(login_delegate, auth_info, first_auth_attempt);
 }