Make ByteStream independent from DownloadInterruptReason

content/browser/download/download_resource_handler.h

Index: content/browser/download/download_resource_handler.h
diff --git a/content/browser/download/download_resource_handler.h b/content/browser/download/download_resource_handler.h
index 866bffb6a9f1f05bb866afd3faec745f9a4c3e17..802f5286260659bd25600ead4cc348f7f796e68f 100644
--- a/content/browser/download/download_resource_handler.h
+++ b/content/browser/download/download_resource_handler.h
@@ -11,6 +11,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "content/browser/loader/resource_handler.h"
+#include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/download_save_info.h"
 #include "content/public/browser/download_url_parameters.h"
@@ -23,8 +24,8 @@ class URLRequest;
 }  // namespace net
 
 namespace content {
+template <typename StatusType>
 class ByteStreamWriter;
-class ByteStreamReader;
 class DownloadRequestHandle;
 struct DownloadCreateInfo;
 
@@ -116,7 +117,8 @@ class CONTENT_EXPORT DownloadResourceHandler
 
   // Data flow
   scoped_refptr<net::IOBuffer> read_buffer_;       // From URLRequest.
-  scoped_ptr<ByteStreamWriter> stream_writer_; // To rest of system.
+  scoped_ptr<ByteStreamWriter<DownloadInterruptReason> >
+      stream_writer_; // To rest of system.
 
   // The following are used to collect stats.
   base::TimeTicks download_start_time_;