net: Move ownership of UploadDataStream from URLRequestHttpJob to URLRequest

net/base/upload_file_element_reader.h

Index: net/base/upload_file_element_reader.h
diff --git a/net/base/upload_file_element_reader.h b/net/base/upload_file_element_reader.h
index da3e502263ad6e73682e3fe53cc616ba06c1acf4..f84b06d62d1749bf74286b925f8bcf40b65489c2 100644
--- a/net/base/upload_file_element_reader.h
+++ b/net/base/upload_file_element_reader.h
@@ -35,7 +35,15 @@ class NET_EXPORT_PRIVATE UploadFileElementReader : public UploadElementReader {
                           const base::Time& expected_modification_time);
   virtual ~UploadFileElementReader();
 
+  const FilePath& path() const { return path_; }
+  uint64 range_offset() const { return range_offset_; }
+  uint64 range_length() const { return range_length_; }
+  const base::Time& expected_modification_time() const {
+    return expected_modification_time_;
+  }
+
   // UploadElementReader overrides:
+  virtual const UploadFileElementReader* AsFileReader() const OVERRIDE;
   virtual int Init(const CompletionCallback& callback) OVERRIDE;
   virtual int InitSync() OVERRIDE;
   virtual uint64 GetContentLength() const OVERRIDE;