Cleanup: make ExtensionRequestSender manage its IPC responses directly, rather

chrome/renderer/extensions/extension_dispatcher.h

Index: chrome/renderer/extensions/extension_dispatcher.h
diff --git a/chrome/renderer/extensions/extension_dispatcher.h b/chrome/renderer/extensions/extension_dispatcher.h
index d6cc02bde010fdab050b94639c96f1eb3dbf8646..d62b11b9375ce62b519978aa8e5ea6abc97b25ec 100644
--- a/chrome/renderer/extensions/extension_dispatcher.h
+++ b/chrome/renderer/extensions/extension_dispatcher.h
@@ -109,11 +109,6 @@ class ExtensionDispatcher : public content::RenderProcessObserver {
     return webrequest_other_;
   }
 
-  void OnExtensionResponse(int request_id,
-                           bool success,
-                           const base::ListValue& response,
-                           const std::string& error);
-
   // Checks that the current context contains an extension that has permission
   // to execute the specified function. If it does not, a v8 exception is thrown
   // and the method returns false. Otherwise returns true.