[Extensions] Begin making Extension port initialization asynchronous

chrome/renderer/extensions/tabs_custom_bindings.h

Index: chrome/renderer/extensions/tabs_custom_bindings.h
diff --git a/chrome/renderer/extensions/tabs_custom_bindings.h b/chrome/renderer/extensions/tabs_custom_bindings.h
deleted file mode 100644
index a5b4389e7030842f418116af3528ca7e7aabfdb6..0000000000000000000000000000000000000000
--- a/chrome/renderer/extensions/tabs_custom_bindings.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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.
-
-#ifndef CHROME_RENDERER_EXTENSIONS_TABS_CUSTOM_BINDINGS_H_
-#define CHROME_RENDERER_EXTENSIONS_TABS_CUSTOM_BINDINGS_H_
-
-#include "extensions/renderer/object_backed_native_handler.h"
-
-namespace extensions {
-
-// Implements custom bindings for the tabs API.
-class TabsCustomBindings : public ObjectBackedNativeHandler {
- public:
-  explicit TabsCustomBindings(ScriptContext* context);
-
- private:
-  // Creates a new messaging channel to the tab with the given ID.
-  void OpenChannelToTab(const v8::FunctionCallbackInfo<v8::Value>& args);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_RENDERER_EXTENSIONS_TABS_CUSTOM_BINDINGS_H_