Support for new data reduction proxy via header

chrome/browser/android/intercept_download_resource_throttle.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 "chrome/browser/android/intercept_download_resource_throttle.h"
 
 #include "content/public/browser/android/download_controller_android.h"
 #include "content/public/browser/resource_controller.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
 
-#if defined(SPDY_PROXY_AUTH_ORIGIN)
-#include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings.h"
-#endif  // defined(SPDY_PROXY_AUTH_ORIGIN)
-
 namespace chrome {
 
 InterceptDownloadResourceThrottle::InterceptDownloadResourceThrottle(
     net::URLRequest* request,
     int render_process_id,
     int render_view_id,
     int request_id)
     : request_(request),
       render_process_id_(render_process_id),
       render_view_id_(render_view_id),
@@ skipping 21 matching lines @@
 
   // In general, if the request uses HTTP authorization, either with the origin
   // or a proxy, then the network stack should handle the download. The one
   // exception is a request that is fetched via the Chrome Proxy and does not
   // authenticate with the origin.
   if (request_->response_info().did_use_http_auth) {
 #if defined(SPDY_PROXY_AUTH_ORIGIN)
     net::HttpRequestHeaders headers;
     request_->GetFullRequestHeaders(&headers);
     if (headers.HasHeader(net::HttpRequestHeaders::kAuthorization) ||
-        !DataReductionProxySettings::WasFetchedViaProxy(
-            request_->response_info().headers)) {
+        !(request_->response_info().headers &&
+            request_->response_info().headers->IsChromeProxyResponse())) {
       return;
     }
 #else
     return;
 #endif
   }
 
   if (request_->url_chain().empty())
     return;
 
   GURL url = request_->url_chain().back();
   if (!url.SchemeIsHTTPOrHTTPS())
     return;
 
   content::DownloadControllerAndroid::Get()->CreateGETDownload(
       render_process_id_, render_view_id_, request_id_);
   controller()->Cancel();
 }
 
 }  // namespace chrome