Introduce WebRequestEventRouterDelegate.

chrome/browser/extensions/api/web_request/web_request_api.h

Index: chrome/browser/extensions/api/web_request/web_request_api.h
diff --git a/chrome/browser/extensions/api/web_request/web_request_api.h b/chrome/browser/extensions/api/web_request/web_request_api.h
index ad17c4506055c747f1bcffcd500b45dc5a61636c..383042127738dd2f40c0e9deb51ee5109b363de8 100644
--- a/chrome/browser/extensions/api/web_request/web_request_api.h
+++ b/chrome/browser/extensions/api/web_request/web_request_api.h
@@ -54,6 +54,7 @@ namespace extensions {
 
 class InfoMap;
 class WebRequestRulesRegistry;
+class WebRequestEventRouterDelegate;
 
 // Support class for the WebRequest API. Lives on the UI thread. Most of the
 // work is done by ExtensionWebRequestEventRouter below. This class observes
@@ -410,6 +411,23 @@ class ExtensionWebRequestEventRouter
       uint64 request_id,
       extensions::RequestStage request_stage);
 
+  // Extracts from |request| information for the keys requestId, url, method,
+  // frameId, tabId, type, and timeStamp and writes these into |out| to be
+  // passed on to extensions.
+  void ExtractRequestInfo(net::URLRequest* request, base::DictionaryValue* out);
+
+  void ExtractRequestInfoDetails(
+    net::URLRequest* request,
+    bool* is_main_frame,
+    int* frame_id,
+    bool* parent_is_main_frame,
+    int* parent_frame_id,
+    int* tab_id,
+    int* window_id,
+    int* render_process_host_id,
+    int* routing_id,
+    content::ResourceType* resource_type) const;
+
   // Sets the flag that |event_type| has been signaled for |request_id|.
   // Returns the value of the flag before setting it.
   bool GetAndSetSignaled(uint64 request_id, EventTypes event_type);
@@ -464,6 +482,9 @@ class ExtensionWebRequestEventRouter
   std::map<RulesRegistryKey,
       scoped_refptr<extensions::WebRequestRulesRegistry> > rules_registries_;
 
+  scoped_ptr<extensions::WebRequestEventRouterDelegate>
+      web_request_event_router_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestEventRouter);
 };