Change URLRequest to use a ref-counted buffer for actual IO.

This will re-land http://codereview.chromium.org/18390

BUG=5325

Review URL: http://codereview.chromium.org/19004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8847 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 2 deletions

diff --git a/chrome/browser/renderer_host/download_resource_handler.h b/chrome/browser/renderer_host/download_resource_handler.h
index b666df6..0dbeef0 100644
--- a/chrome/browser/renderer_host/download_resource_handler.h
+++ b/chrome/browser/renderer_host/download_resource_handler.h
@@ -32,7 +32,8 @@ class DownloadResourceHandler : public ResourceHandler {
 
   // Create a new buffer, which will be handed to the download thread for file
   // writing and deletion.
-  bool OnWillRead(int request_id, char** buf, int* buf_size, int min_size);
+  bool OnWillRead(int request_id, net::IOBuffer** buf, int* buf_size,
+                  int min_size);
 
   bool OnReadCompleted(int request_id, int* bytes_read);
 
@@ -53,7 +54,7 @@ class DownloadResourceHandler : public ResourceHandler {
   int download_id_;
   ResourceDispatcherHost::GlobalRequestID global_id_;
   int render_view_id_;
-  char* read_buffer_;
+  scoped_refptr<net::IOBuffer> read_buffer_;
   std::string content_disposition_;
   std::wstring url_;
   int64 content_length_;