Remove ChromeV8Extension & most of ChromeV8Context

chrome/renderer/extensions/api_activity_logger.h

Index: chrome/renderer/extensions/api_activity_logger.h
diff --git a/chrome/renderer/extensions/api_activity_logger.h b/chrome/renderer/extensions/api_activity_logger.h
index bfb9787f6c0c3615884fa6943d54f8be3b4e2d42..7eb4565832c5606b846a57bb4f22094bb3994203 100644
--- a/chrome/renderer/extensions/api_activity_logger.h
+++ b/chrome/renderer/extensions/api_activity_logger.h
@@ -6,9 +6,9 @@
 #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 {
@@ -16,9 +16,9 @@ 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.