Use FrameTreeNode ID as frameId in extension APIs

extensions/browser/api/web_request/web_request_api.h

Index: extensions/browser/api/web_request/web_request_api.h
diff --git a/extensions/browser/api/web_request/web_request_api.h b/extensions/browser/api/web_request/web_request_api.h
index c9caa65f7659fb0eb205c71df888ac145258de59..8d078702d16c1fd1994ff1eaf339ee94e73142de 100644
--- a/extensions/browser/api/web_request/web_request_api.h
+++ b/extensions/browser/api/web_request/web_request_api.h
@@ -343,6 +343,10 @@ class ExtensionWebRequestEventRouter
       const std::vector<const EventListener*>& listeners,
       const base::ListValue& args);
 
+  void DispatchEventOnIO(void* browser_context,
+                         scoped_ptr<std::vector<EventListener>> listeners,
+                         base::DictionaryValue* dict);
+
   // Returns a list of event listeners that care about the given event, based
   // on their filter parameters. |extra_info_spec| will contain the combined
   // set of extra_info_spec flags that every matching listener asked for.