Fix Docs links from Files app on ChromeOS not working with PlzNavigate.

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 579 matching lines @@
       ResourceRequesterInfo* requester_info,
       net::URLRequest* request,
       const ResourceRequest& request_data,
       const SyncLoadResultCallback& sync_result_handler,
       int route_id,
       int child_id,
       ResourceContext* resource_context,
       mojom::URLLoaderAssociatedRequest mojo_request,
       mojom::URLLoaderClientPtr url_loader_client);
 
+  // Creates either MojoAsyncResourceHandler or AsyncResourceHandler.
+  std::unique_ptr<ResourceHandler> CreateBaseResourceHandler(
+      net::URLRequest* request,
+      mojom::URLLoaderAssociatedRequest mojo_request,
+      mojom::URLLoaderClientPtr url_loader_client,
+      ResourceType resource_type);
+
   // Wraps |handler| in the standard resource handlers for normal resource
   // loading and navigation requests. This adds MimeTypeResourceHandler and
   // ResourceThrottles.
   // PlzNavigate: |navigation_loader_core| and |stream_handle| are used to
   // properly initialized the NavigationResourceHandler placed in navigation
   // requests. They should be non-null in that case.
   std::unique_ptr<ResourceHandler> AddStandardHandlers(
       net::URLRequest* request,
       ResourceType resource_type,
       ResourceContext* resource_context,
@@ skipping 174 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_