Remove ChromeV8Extension & most of ChromeV8Context

chrome/renderer/extensions/runtime_custom_bindings.h

 // 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_RUNTIME_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_RUNTIME_CUSTOM_BINDINGS_H_
 
 #include "base/compiler_specific.h"
-#include "chrome/renderer/extensions/chrome_v8_extension.h"
+#include "extensions/renderer/object_backed_native_handler.h"
 #include "v8/include/v8.h"
 
-class ExtensionDispatcher;
-class ChromeV8Context;
-
 namespace extensions {
 
 // The native component of custom bindings for the chrome.runtime API.
-class RuntimeCustomBindings : public ChromeV8Extension {
+class RuntimeCustomBindings : public ObjectBackedNativeHandler {
  public:
-  RuntimeCustomBindings(Dispatcher* dispatcher, ChromeV8Context* context);
+  explicit RuntimeCustomBindings(ScriptContext* context);
 
   virtual ~RuntimeCustomBindings();
 
   // Creates a new messaging channel to the given extension.
   void OpenChannelToExtension(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Creates a new messaging channels for the specified native application.
   void OpenChannelToNativeApp(const v8::FunctionCallbackInfo<v8::Value>& args);
 
  private:
   void GetManifest(const v8::FunctionCallbackInfo<v8::Value>& args);
   void GetExtensionViews(const v8::FunctionCallbackInfo<v8::Value>& args);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_RUNTIME_CUSTOM_BINDINGS_H_