Revert cl 9528 to fix mac test_shell_tests

net/url_request/url_request_view_cache_job.cc

Index: net/url_request/url_request_view_cache_job.cc
===================================================================
--- net/url_request/url_request_view_cache_job.cc	(revision 9528)
+++ net/url_request/url_request_view_cache_job.cc	(working copy)
@@ -87,9 +87,9 @@
 
     int data_size = entry->GetDataSize(i);
 
-    scoped_refptr<net::IOBuffer> buffer = new net::IOBuffer(data_size);
-    if (entry->ReadData(i, 0, buffer, data_size, NULL) == data_size)
-      HexDump(buffer->data(), data_size, &result);
+    char* data = new char[data_size];
+    if (entry->ReadData(i, 0, data, data_size, NULL) == data_size)
+      HexDump(data, data_size, &result);
 
     result.append("</pre>");
   }