PlzNavigate: make NavigationResourceHandler a LayeredResourceHandler

content/browser/loader/stream_resource_handler.h

 // Copyright (c) 2013 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.
 
 #ifndef CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 11 matching lines @@
 class StreamRegistry;
 
 // Redirect this resource to a stream.
 class StreamResourceHandler : public ResourceHandler {
  public:
   // |origin| will be used to construct the URL for the Stream. See
   // WebCore::BlobURL and and WebCore::SecurityOrigin in Blink to understand
   // how origin check is done on resource loading.
   StreamResourceHandler(net::URLRequest* request,
                         StreamRegistry* registry,
-                        const GURL& origin);
+                        const GURL& origin,
+                        bool immediate_mode);
   ~StreamResourceHandler() override;
 
   // Not needed, as this event handler ought to be the final resource.
   void OnRequestRedirected(
       const net::RedirectInfo& redirect_info,
       ResourceResponse* resp,
       std::unique_ptr<ResourceController> controller) override;
 
   void OnResponseStarted(
       ResourceResponse* resp,
@@ skipping 21 matching lines @@
 
  private:
   StreamWriter writer_;
 
   DISALLOW_COPY_AND_ASSIGN(StreamResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_