PlzNavigate: make NavigationResourceHandler a LayeredResourceHandler

content/browser/loader/resource_dispatcher_host_impl.h

 // 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.
 
 // This is the browser side of the resource dispatcher, it receives requests
 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and
 // dispatches them to URLRequests. It then forwards the messages from the
 // URLRequests back to the correct process for handling.
 //
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
@@ skipping 15 matching lines @@
 #include "base/observer_list.h"
 #include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
 #include "content/browser/loader/global_routing_id.h"
 #include "content/browser/loader/resource_loader_delegate.h"
 #include "content/common/content_export.h"
 #include "content/common/url_loader.mojom.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/resource_request_info.h"
+#include "content/public/browser/stream_handle.h"
 #include "content/public/common/previews_state.h"
 #include "content/public/common/request_context_type.h"
 #include "content/public/common/resource_type.h"
 #include "ipc/ipc_message.h"
 #include "net/base/load_states.h"
 #include "net/base/request_priority.h"
 #include "third_party/WebKit/public/platform/WebMixedContentContextType.h"
 #include "url/gurl.h"
 
 namespace base {
@@ skipping 553 matching lines @@
   // ResourceThrottles.
   std::unique_ptr<ResourceHandler> AddStandardHandlers(
       net::URLRequest* request,
       ResourceType resource_type,
       ResourceContext* resource_context,
       RequestContextType fetch_request_context_type,
       blink::WebMixedContentContextType fetch_mixed_content_context_type,
       AppCacheService* appcache_service,
       int child_id,
       int route_id,
-      std::unique_ptr<ResourceHandler> handler);
+      std::unique_ptr<ResourceHandler> handler,
+      NavigationURLLoaderImplCore* loader,
+      std::unique_ptr<StreamHandle> stream_handle);

[mmenke, 2017/04/28 16:02:21]

Can we document these?  While nothing else other than handler is documented,
these two seem the least clear to me.

[clamy, 2017/05/02 15:05:44]

Done.

 
   void OnCancelRequest(ResourceRequesterInfo* requester_info, int request_id);
   void OnReleaseDownloadedFile(ResourceRequesterInfo* requester_info,
                                int request_id);
   void OnDidChangePriority(ResourceRequesterInfo* requester_info,
                            int request_id,
                            net::RequestPriority new_priority,
                            int intra_priority_value);
 
   // Creates ResourceRequestInfoImpl for a download or page save.
@@ skipping 156 matching lines @@
 
   // Task runner for the IO thead.
   scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_