Remove ChromeV8Extension & most of ChromeV8Context

chrome/renderer/extensions/api_activity_logger.h

 // Copyright (c) 2013 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_API_ACTIVITY_LOGGER_H_
 #define CHROME_RENDERER_EXTENSIONS_API_ACTIVITY_LOGGER_H_
 
 #include <string>
-#include "chrome/renderer/extensions/chrome_v8_extension.h"
-#include "chrome/renderer/extensions/dispatcher.h"
+
 #include "extensions/common/features/feature.h"
+#include "extensions/renderer/object_backed_native_handler.h"
 #include "v8/include/v8.h"
 
 namespace extensions {
 
 // Used to log extension API calls and events that are implemented with custom
 // bindings.The actions are sent via IPC to extensions::ActivityLog for
 // recording and display.
-class APIActivityLogger : public ChromeV8Extension {
+class APIActivityLogger : public ObjectBackedNativeHandler {
  public:
-  APIActivityLogger(Dispatcher* dispatcher, ChromeV8Context* context);
+  explicit APIActivityLogger(ScriptContext* context);
 
  private:
    // Used to distinguish API calls & events from each other in LogInternal.
    enum CallType {
      APICALL,
      EVENT
    };
 
    // This is ultimately invoked in bindings.js with JavaScript arguments.
    //    arg0 - extension ID as a string
@@ skipping 13 matching lines @@
    // how they are ultimately dispatched to the log.
    static void LogInternal(const CallType call_type,
                            const v8::FunctionCallbackInfo<v8::Value>& args);
 
   DISALLOW_COPY_AND_ASSIGN(APIActivityLogger);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_API_ACTIVITY_LOGGER_H_