Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/browser/download/download_resource_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 "content/browser/download/download_resource_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 126 matching lines @@
                                     &content_disposition);
   SetContentDisposition(content_disposition);
   SetContentLength(response->content_length);
 
   const ResourceRequestInfoImpl* request_info =
       ResourceRequestInfoImpl::ForRequest(request_);
 
   // Deleted in DownloadManager.
   scoped_ptr<DownloadCreateInfo> info(new DownloadCreateInfo(
       base::Time::Now(), 0, content_length_, DownloadItem::IN_PROGRESS,
-      request_->net_log(), request_info->has_user_gesture(),
+      request_->net_log(), request_info->HasUserGesture(),
       request_info->transition_type()));
 
   // Create the ByteStream for sending data to the download sink.
   scoped_ptr<content::ByteStreamReader> stream_reader;
   CreateByteStream(
       base::MessageLoopProxy::current(),
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
       kDownloadByteStreamSize, &stream_writer_, &stream_reader);
   stream_writer_->RegisterCallback(
       base::Bind(&DownloadResourceHandler::ResumeRequest, AsWeakPtr()));
 
   info->url_chain = request_->url_chain();
   info->referrer_url = GURL(request_->referrer());
   info->start_time = base::Time::Now();
   info->received_bytes = save_info_.offset;
   info->total_bytes = content_length_;
   info->state = DownloadItem::IN_PROGRESS;
-  info->has_user_gesture = request_info->has_user_gesture();
+  info->has_user_gesture = request_info->HasUserGesture();
   info->content_disposition = content_disposition_;
   info->mime_type = response->mime_type;
   info->remote_address = request_->GetSocketAddress().host();
   download_stats::RecordDownloadMimeType(info->mime_type);
 
   info->request_handle =
       DownloadRequestHandle(AsWeakPtr(), global_id_.child_id,
                             render_view_id_, global_id_.request_id);
 
   // Get the last modified time and etag.
@@ skipping 270 matching lines @@
   // false somewhere in the chain of resource handlers.
   CallStartedCB(DownloadId(), net::ERR_ACCESS_DENIED);
 
   // Remove output stream callback if a stream exists.
   if (stream_writer_.get())
     stream_writer_->RegisterCallback(base::Closure());
 
   UMA_HISTOGRAM_TIMES("SB2.DownloadDuration",
                       base::TimeTicks::Now() - download_start_time_);
 }