Remove security_origin member from content::Stream.

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 "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/loader/resource_handler.h"
 #include "content/browser/streams/stream_write_observer.h"
 #include "url/gurl.h"
 
 namespace net {
 class URLRequest;
 }  // namespace net
 
 namespace content {
 
 class StreamRegistry;
 
 // Redirect this resource to a stream.
 class StreamResourceHandler : public StreamWriteObserver,
                               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& security_origin);
+                        const GURL& origin);
   virtual ~StreamResourceHandler();
 
   virtual bool OnUploadProgress(int request_id,
                                 uint64 position,
                                 uint64 size) OVERRIDE;
 
   // Not needed, as this event handler ought to be the final resource.
   virtual bool OnRequestRedirected(int request_id,
                                    const GURL& url,
                                    ResourceResponse* resp,
@@ skipping 32 matching lines @@
 
   net::URLRequest* request_;
   scoped_refptr<Stream> stream_;
   scoped_refptr<net::IOBuffer> read_buffer_;
   DISALLOW_COPY_AND_ASSIGN(StreamResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
-