revert r8603

Review URL: http://codereview.chromium.org/18576

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8605 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 6 insertions, 5 deletions

diff --git a/chrome/browser/renderer_host/async_resource_handler.h b/chrome/browser/renderer_host/async_resource_handler.h
index e966a80..618e518 100644
--- a/chrome/browser/renderer_host/async_resource_handler.h
+++ b/chrome/browser/renderer_host/async_resource_handler.h
@@ -9,7 +9,9 @@
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
 #include "chrome/browser/renderer_host/resource_handler.h"
 
-class SharedIOBuffer;
+namespace base {
+class SharedMemory;
+}
 
 // Used to complete an asynchronous resource request in response to resource
 // load events from the resource dispatcher host.
@@ -26,8 +28,7 @@ class AsyncResourceHandler : public ResourceHandler {
   bool OnUploadProgress(int request_id, uint64 position, uint64 size);
   bool OnRequestRedirected(int request_id, const GURL& new_url);
   bool OnResponseStarted(int request_id, ResourceResponse* response);
-  bool OnWillRead(int request_id, net::IOBuffer** buf, int* buf_size,
-                  int min_size);
+  bool OnWillRead(int request_id, char** buf, int* buf_size, int min_size);
   bool OnReadCompleted(int request_id, int* bytes_read);
   bool OnResponseCompleted(int request_id, const URLRequestStatus& status);
 
@@ -37,9 +38,9 @@ class AsyncResourceHandler : public ResourceHandler {
   // When reading, we don't know if we are going to get EOF (0 bytes read), so
   // we typically have a buffer that we allocated but did not use.  We keep
   // this buffer around for the next read as a small optimization.
-  static SharedIOBuffer* spare_read_buffer_;
+  static base::SharedMemory* spare_read_buffer_;
 
-  scoped_refptr<SharedIOBuffer> read_buffer_;
+  scoped_ptr<base::SharedMemory> read_buffer_;
   ResourceDispatcherHost::Receiver* receiver_;
   int render_process_host_id_;
   int routing_id_;