Fixing guest processes to use the proper storage partition.

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index 21a1d0be906905a1f0d70dab8da9c91b94b54623..6638b4ae77359cadd2ac750d35aa53e28e2989e4 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -48,6 +48,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
+#include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "net/base/transport_security_state.h"
 #include "net/http/http_server_properties.h"
@@ -279,11 +280,7 @@ net::URLRequestContextGetter*
   if (rph && rph->IsGuest()) {
     // For guest processes (used by the browser tag), we need to isolate the
     // storage.
-    // TODO(nasko): Until we have proper storage partitions, create a
-    // non-persistent context using the RPH's id.
-    std::string id("guest-");
-    id.append(base::IntToString(renderer_child_id));
-    return GetRequestContextForStoragePartition(id);
+    return rph->GetStoragePartition()->GetURLRequestContext();
   }
 
   return GetRequestContext();