Add the scheme chrome-distiller:// and hook up data source.

content/browser/webui/url_data_manager_backend.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 CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
 #define CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 70 matching lines @@
                                int request_id);
 
   // Remove a request from the list of pending requests.
   void RemoveRequest(URLRequestChromeJob* job);
 
   // Returns true if the job exists in |pending_requests_|. False otherwise.
   // Called by ~URLRequestChromeJob to verify that |pending_requests_| is kept
   // up to date.
   bool HasPendingJob(URLRequestChromeJob* job) const;
 
+  // Look up the data source for the request. Returns the source if it is found,
+  // else NULL.
+  URLDataSourceImpl* GetDataSourceFromURL(const GURL& url);
+
   // Custom sources of data, keyed by source path (e.g. "favicon").
   DataSourceMap data_sources_;
 
   // All pending URLRequestChromeJobs, keyed by ID of the request.
   // URLRequestChromeJob calls into this object when it's constructed and
   // destructed to ensure that the pointers in this map remain valid.
   PendingRequestMap pending_requests_;
 
   // The ID we'll use for the next request we receive.
   RequestID next_request_id_;
 
   DISALLOW_COPY_AND_ASSIGN(URLDataManagerBackend);
 };
 
 // Creates protocol handler for chrome-devtools://. |is_incognito| should be
 // set for incognito profiles.
 net::URLRequestJobFactory::ProtocolHandler*
 CreateDevToolsProtocolHandler(content::ResourceContext* resource_context,
                               bool is_incognito);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_