Add base:: to string16s in android_webview/.

android_webview/browser/net/aw_network_delegate.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/browser/net/aw_network_delegate.h"
 
 #include "android_webview/browser/aw_cookie_access_policy.h"
 #include "base/android/build_info.h"
 #include "net/base/net_errors.h"
 #include "net/base/completion_callback.h"
@@ skipping 49 matching lines @@
                                        int bytes_read) {
 }
 
 void AwNetworkDelegate::OnCompleted(net::URLRequest* request, bool started) {
 }
 
 void AwNetworkDelegate::OnURLRequestDestroyed(net::URLRequest* request) {
 }
 
 void AwNetworkDelegate::OnPACScriptError(int line_number,
-                                         const string16& error) {
+                                         const base::string16& error) {
 }
 
 net::NetworkDelegate::AuthRequiredResponse AwNetworkDelegate::OnAuthRequired(
     net::URLRequest* request,
     const net::AuthChallengeInfo& auth_info,
     const AuthCallback& callback,
     net::AuthCredentials* credentials) {
   return AUTH_REQUIRED_RESPONSE_NO_ACTION;
 }
 
@@ skipping 25 matching lines @@
     net::SocketStream* stream,
     const net::CompletionCallback& callback) {
   return net::OK;
 }
 
 void AwNetworkDelegate::OnRequestWaitStateChange(const net::URLRequest& request,
                                                  RequestWaitState state) {
 }
 
 }  // namespace android_webview