Remove magic iframe load transfer support.

content/common/resource_dispatcher.cc

Index: content/common/resource_dispatcher.cc
diff --git a/content/common/resource_dispatcher.cc b/content/common/resource_dispatcher.cc
index 0d3258f36c8798d8a4368c203ddf8088018c1e78..7a6ac06d8e0a4a8ec02c3c32f4db5cc1daa2950f 100644
--- a/content/common/resource_dispatcher.cc
+++ b/content/common/resource_dispatcher.cc
@@ -62,7 +62,6 @@ class IPCResourceLoaderBridge : public ResourceLoaderBridge {
   virtual void Cancel();
   virtual void SetDefersLoading(bool value);
   virtual void SyncLoad(SyncLoadResponse* response);
-  virtual void UpdateRoutingId(int new_routing_id);
 
  private:
   ResourceLoaderBridge::Peer* peer_;
@@ -261,18 +260,6 @@ void IPCResourceLoaderBridge::SyncLoad(SyncLoadResponse* response) {
   response->download_file_path = result.download_file_path;
 }
 
-void IPCResourceLoaderBridge::UpdateRoutingId(int new_routing_id) {
-  if (request_id_ < 0) {
-    NOTREACHED() << "Trying to update an unstarted request";
-    return;
-  }
-
-  routing_id_ = new_routing_id;
-  dispatcher_->message_sender()->Send(
-      new ResourceHostMsg_TransferRequestToNewPage(new_routing_id,
-                                                   request_id_));
-}
-
 }  // namespace webkit_glue
 
 // ResourceDispatcher ---------------------------------------------------------