Pass http response headers to the streamsPrivate API callback

content/browser/streams/stream_handle_impl.h

Index: content/browser/streams/stream_handle_impl.h
diff --git a/content/browser/streams/stream_handle_impl.h b/content/browser/streams/stream_handle_impl.h
index 1d3614d286169073474e07eb7a616a7181970ae7..deb094f415047c5b6e3e58e98e703a8a7bed4320 100644
--- a/content/browser/streams/stream_handle_impl.h
+++ b/content/browser/streams/stream_handle_impl.h
@@ -21,7 +21,8 @@ class StreamHandleImpl : public StreamHandle {
  public:
   StreamHandleImpl(const base::WeakPtr<Stream>& stream,
                    const GURL& original_url,
-                   const std::string& mime_type);
+                   const std::string& mime_type,
+                   const std::string& response_headers);
   virtual ~StreamHandleImpl();
 
  private:
@@ -29,11 +30,13 @@ class StreamHandleImpl : public StreamHandle {
   virtual const GURL& GetURL() OVERRIDE;
   virtual const GURL& GetOriginalURL() OVERRIDE;
   virtual const std::string& GetMimeType() OVERRIDE;
+  virtual const std::string& GetResponseHeaders() OVERRIDE;
 
   base::WeakPtr<Stream> stream_;
   GURL url_;
   GURL original_url_;
   std::string mime_type_;
+  std::string response_headers_;
   base::MessageLoopProxy* stream_message_loop_;
 };