Introduce WebRequestEventRouterDelegate.

extensions/browser/api/extensions_api_client.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_EXTENSIONS_API_CLIENT_H_
 #define EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 14 matching lines @@
 
 class AppViewGuestDelegate;
 class ExtensionOptionsGuest;
 class ExtensionOptionsGuestDelegate;
 class MimeHandlerViewGuest;
 class MimeHandlerViewGuestDelegate;
 class WebViewGuest;
 class WebViewGuestDelegate;
 class WebViewPermissionHelper;
 class WebViewPermissionHelperDelegate;
+class WebRequestEventRouterDelegate;
 class SettingsObserver;
 class SettingsStorageFactory;
 class ValueStoreCache;
 
 // Allows the embedder of the extensions module to customize its support for
 // API features. The embedder must create a single instance in the browser
 // process. Provides a default implementation that does nothing.
 class ExtensionsAPIClient {
  public:
   // Construction sets the single instance.
@@ skipping 38 matching lines @@
       CreateWebViewPermissionHelperDelegate (
           WebViewPermissionHelper* web_view_permission_helper) const;
 
   // TODO(wjmaclean): Remove this as soon as rules_registry_service.* moves to
   // extensions/browser/api/declarative/.
   virtual scoped_refptr<RulesRegistry> GetRulesRegistry(
       content::BrowserContext* browser_context,
       const RulesRegistry::WebViewKey& webview_key,
       const std::string& event_name);
 
+  // Creates a delegate for WebRequestEventRouter.
+  virtual WebRequestEventRouterDelegate* CreateWebRequestEventRouterDelegate()
+      const;
+
   // NOTE: If this interface gains too many methods (perhaps more than 20) it
   // should be split into one interface per API.
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_