Cleanup: make ExtensionRequestSender manage its IPC responses directly, rather

chrome/renderer/extensions/extension_dispatcher.cc

Index: chrome/renderer/extensions/extension_dispatcher.cc
diff --git a/chrome/renderer/extensions/extension_dispatcher.cc b/chrome/renderer/extensions/extension_dispatcher.cc
index 16a70dfd08df56da25b4bea0ae8d0db536e33582..688b8c3afccaf49faf974f12ccc2433c6e9bf626 100644
--- a/chrome/renderer/extensions/extension_dispatcher.cc
+++ b/chrome/renderer/extensions/extension_dispatcher.cc
@@ -990,13 +990,6 @@ Feature::Context ExtensionDispatcher::ClassifyJavaScriptContext(
   return Feature::UNSPECIFIED_CONTEXT;
 }
 
-void ExtensionDispatcher::OnExtensionResponse(int request_id,
-                                              bool success,
-                                              const base::ListValue& response,
-                                              const std::string& error) {
-  request_sender_->HandleResponse(request_id, success, response, error);
-}
-
 bool ExtensionDispatcher::CheckCurrentContextAccessToExtensionAPI(
     const std::string& function_name) const {
   ChromeV8Context* context = v8_context_set().GetCurrent();