Introduce WebRequestEventRouterDelegate.

extensions/browser/api/web_request/web_request_event_router_delegate.h

+// Copyright 2014 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 EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_EVENT_ROUTER_DELEGATE_H_
+#define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_EVENT_ROUTER_DELEGATE_H_
+
+#include <string>
+
+#include "base/values.h"
+
+class GURL;
+
+namespace base {
+class DictionaryValue;
+}  // namspace base
+
+namespace net {
+class URLRequest;
+}  // namspace net
+
+namespace extension_web_request_api_helpers {
+struct EventResponseDelta;
+}  // extension_web_request_api_helpers
+
+namespace extensions {
+
+// A delegate class of WebRequestApi that are not a part of chrome.
+class WebRequestEventRouterDelegate {
+ public:
+  WebRequestEventRouterDelegate();
+  virtual ~WebRequestEventRouterDelegate();
+
+  // Looks up the tab and window ID for a given request.
+  // Called on the IO thread.
+  virtual void ExtractExtraRequestDetails(
+      net::URLRequest* request, base::DictionaryValue* out) = 0;
+
+  // Called to check extra parameters (e.g., tab_id, windown_id) when filtering
+  // event listeners.
+  virtual bool OnGetMatchingListenersImplCheck(
+      int tab_id, int window_id, net::URLRequest* request);
+
+  // Logs an extension action.
+  virtual void LogExtensionActivity(
+      void* browser_context_id,
+      bool is_incognito,
+      const std::string& extension_id,
+      const GURL& url,
+      const std::string& api_calli,
+      const extension_web_request_api_helpers::EventResponseDelta& delta) = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(WebRequestEventRouterDelegate);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_EVENT_ROUTER_DELEGATE_H_