Initial implementation of the ByteStream refactor.

content/browser/download/download_file_impl.h

Index: content/browser/download/download_file_impl.h
diff --git a/content/browser/download/download_file_impl.h b/content/browser/download/download_file_impl.h
index b66174efd755b12b5683252b02722db796ca1079..91cd60ae117e768cb30ca0a35c46ad7db4686b50 100644
--- a/content/browser/download/download_file_impl.h
+++ b/content/browser/download/download_file_impl.h
@@ -10,6 +10,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "content/browser/download/base_file.h"
+#include "content/browser/download/byte_stream.h"
 #include "content/browser/download/download_request_handle.h"
 
 struct DownloadCreateInfo;
@@ -51,9 +52,16 @@ class CONTENT_EXPORT DownloadFileImpl : virtual public content::DownloadFile {
   virtual std::string DebugString() const OVERRIDE;
 
  private:
+  void PipeActive();

[ahendrickson, 2012/04/16 15:14:27]

I was not clear as to what this function does.  Needs a descriptive comment, and
perhaps a better name?

[Randy Smith (Not in Mondays), 2012/04/18 19:10:38]

Added comment; let me know if you still think I need to change the name.  It's
not part of the interface, so I'm not too too worried about it :-}.

+
   // The base file instance.
   BaseFile file_;
 
+  // The pipe through which data comes.
+  // TODO(rdsmith): Move this into BaseFile; requires using the same
+  // pipe semantics in SavePackage.
+  scoped_refptr<content::ByteStream> input_pipe_;
+
   // The unique identifier for this download, assigned at creation by
   // the DownloadFileManager for its internal record keeping.
   content::DownloadId id_;