Split up streams logic to prepare for PlzNavigate RDH changes.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 
 #include <map>
 #include <set>
 
@@ skipping 54 matching lines @@
                                       int route_id) override;
   virtual bool ShouldForceDownloadResource(
       const GURL& url, const std::string& mime_type) override;
   virtual bool ShouldInterceptResourceAsStream(
       net::URLRequest* request,
       const std::string& mime_type,
       GURL* origin,
       std::string* payload) override;
   virtual void OnStreamCreated(
       net::URLRequest* request,
-      scoped_ptr<content::StreamHandle> stream) override;
+      scoped_ptr<content::StreamInfo> stream) override;
   virtual void OnResponseStarted(
       net::URLRequest* request,
       content::ResourceContext* resource_context,
       content::ResourceResponse* response,
       IPC::Sender* sender) override;
   virtual void OnRequestRedirected(
       const GURL& redirect_url,
       net::URLRequest* request,
       content::ResourceContext* resource_context,
       content::ResourceResponse* response) override;
@@ skipping 31 matching lines @@
 #if defined(ENABLE_EXTENSIONS)
   scoped_refptr<extensions::UserScriptListener> user_script_listener_;
   std::map<net::URLRequest*, StreamTargetInfo> stream_target_info_;
 #endif
   prerender::PrerenderTracker* prerender_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeResourceDispatcherHostDelegate);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_