Remove child/route parameters from ShouldBeginRequest and RequestBeginning.

content/public/browser/resource_dispatcher_host_delegate.cc

Index: content/public/browser/resource_dispatcher_host_delegate.cc
diff --git a/content/public/browser/resource_dispatcher_host_delegate.cc b/content/public/browser/resource_dispatcher_host_delegate.cc
index cb6d91e6fb2d0b7770ce5bc695839ffc467f1621..40a4d9814c7774159a65f58005ff519e29fc558b 100644
--- a/content/public/browser/resource_dispatcher_host_delegate.cc
+++ b/content/public/browser/resource_dispatcher_host_delegate.cc
@@ -9,8 +9,6 @@
 namespace content {
 
 bool ResourceDispatcherHostDelegate::ShouldBeginRequest(
-    int child_id,
-    int route_id,
     const std::string& method,
     const GURL& url,
     ResourceType resource_type,
@@ -23,8 +21,6 @@ void ResourceDispatcherHostDelegate::RequestBeginning(
     ResourceContext* resource_context,
     AppCacheService* appcache_service,
     ResourceType resource_type,
-    int child_id,
-    int route_id,
     ScopedVector<ResourceThrottle>* throttles) {
 }