net: Move write flush responsiblity from URLFetcherResponseWriter to URLFetcherCore

net/url_request/url_fetcher_response_writer.h

Index: net/url_request/url_fetcher_response_writer.h
diff --git a/net/url_request/url_fetcher_response_writer.h b/net/url_request/url_fetcher_response_writer.h
index 85fabc556be955023a2b9d775058316767f5a1c7..3b7fe9eb54669b1476f268bd9eff4cf22db3a9e4 100644
--- a/net/url_request/url_fetcher_response_writer.h
+++ b/net/url_request/url_fetcher_response_writer.h
@@ -84,11 +84,8 @@ class URLFetcherFileWriter : public URLFetcherResponseWriter {
                     const CompletionCallback& callback) OVERRIDE;
   virtual int Finish(const CompletionCallback& callback) OVERRIDE;
 
-  // Called when a write has been done.  Continues writing if there are more
-  // bytes to write.  Otherwise, runs |callback|.
-  void ContinueWrite(scoped_refptr<DrainableIOBuffer> buffer,
-                     const CompletionCallback& callback,
-                     int result);
+  // Called when a write has been done.
+  void DidWrite(const CompletionCallback& callback, int result);
 
   // Drops ownership of the file at |file_path_|.
   // This class will not delete it or write to it again.