Add flag to specify if explicitly requested download is from web.

content/browser/renderer_host/resource_dispatcher_host_impl.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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
 
 #include <set>
 #include <vector>
@@ skipping 448 matching lines @@
       ResourceRequestInfoImpl* info =
           ResourceRequestInfoImpl::ForRequest(requests->front());
       // http://crbug.com/90971
       CHECK_NE(info->GetContext(), context);
     }
   }
 }
 
 net::Error ResourceDispatcherHostImpl::BeginDownload(
     scoped_ptr<net::URLRequest> request,
+    bool is_content_initiated,
     ResourceContext* context,
     int child_id,
     int route_id,
     bool prefer_cache,
     const DownloadSaveInfo& save_info,
     const DownloadStartedCallback& started_callback) {
   if (is_shutdown_)
     return CallbackAndReturn(started_callback, net::ERR_INSUFFICIENT_RESOURCES);
 
   const GURL& url = request->original_url();
@@ skipping 28 matching lines @@
             << url.possibly_invalid_spec();
     return CallbackAndReturn(started_callback, net::ERR_ACCESS_DENIED);
   }
 
   request_id_--;
 
   // From this point forward, the |DownloadResourceHandler| is responsible for
   // |started_callback|.
   scoped_refptr<ResourceHandler> handler(
       CreateResourceHandlerForDownload(request.get(), context, child_id,
-                                       route_id, request_id_, save_info,
+                                       route_id, request_id_,
+                                       is_content_initiated, save_info,
                                        started_callback));
 
   if (!request_context->job_factory()->IsHandledURL(url)) {
     VLOG(1) << "Download request for unsupported protocol: "
             << url.possibly_invalid_spec();
     return net::ERR_ACCESS_DENIED;
   }
 
   ResourceRequestInfoImpl* extra_info =
       CreateRequestInfo(handler, child_id, route_id, true, context);
@@ skipping 41 matching lines @@
                                      base::Unretained(this)));
 }
 
 scoped_refptr<ResourceHandler>
 ResourceDispatcherHostImpl::CreateResourceHandlerForDownload(
     net::URLRequest* request,
     ResourceContext* context,
     int child_id,
     int route_id,
     int request_id,
+    bool is_content_initiated,
     const DownloadSaveInfo& save_info,
     const DownloadResourceHandler::OnStartedCallback& started_cb) {
   scoped_refptr<ResourceHandler> handler(
       new DownloadResourceHandler(child_id, route_id, request_id,
                                   request->url(), download_file_manager_.get(),
                                   request, started_cb, save_info));
   if (delegate_) {
     ScopedVector<ResourceThrottle> throttles;
     delegate_->DownloadStarting(request, context, child_id, route_id,
-                                request_id, !request->is_pending(), &throttles);
+                                request_id, is_content_initiated, &throttles);
     if (!throttles.empty()) {
       handler = new ThrottlingResourceHandler(this, handler, child_id,
                                               request_id, throttles.Pass());
     }
   }
   return handler;
 }
 
 // static
 bool ResourceDispatcherHostImpl::RenderViewForRequest(
@@ skipping 1735 matching lines @@
   return allow_cross_origin_auth_prompt_;
 }
 
 bool ResourceDispatcherHostImpl::IsTransferredNavigation(
     const GlobalRequestID& transferred_request_id) const {
   return transferred_navigations_.find(transferred_request_id) !=
       transferred_navigations_.end();
 }
 
 }  // namespace content