Declarative content scripts: Renderer-side: per-extension shared memory regions (lazily loaded)

chrome/browser/extensions/user_script_master.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/user_script_master.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 526 matching lines @@
   // calling InitUserScripts when it's created which will call this again.
   base::ProcessHandle handle = process->GetHandle();
   if (!handle)
     return;
 
   base::SharedMemoryHandle handle_for_process;
   if (!shared_memory->ShareToProcess(handle, &handle_for_process))
     return;  // This can legitimately fail if the renderer asserts at startup.
 
   if (base::SharedMemory::IsHandleValid(handle_for_process)) {
-    process->Send(new ExtensionMsg_UpdateUserScripts(handle_for_process,
-                                                     changed_extensions));
+    process->Send(new ExtensionMsg_UpdateUserScripts(
+        handle_for_process, "" /* owner */, changed_extensions));
   }
 }
 
 }  // namespace extensions