Remove HttpServerProperies::GetWeakPtr().

net/http/http_server_properties_manager.cc

Index: net/http/http_server_properties_manager.cc
diff --git a/net/http/http_server_properties_manager.cc b/net/http/http_server_properties_manager.cc
index 3c7fa3e2f9836e927faf4123109afcb5868ae40b..e460a9fad2739f79398ed377baaa1550d82bf75b 100644
--- a/net/http/http_server_properties_manager.cc
+++ b/net/http/http_server_properties_manager.cc
@@ -130,12 +130,6 @@ void HttpServerPropertiesManager::SetVersion(
     http_server_properties_dict->SetInteger(kVersionKey, version_number);
 }
 
-// This is required for conformance with the HttpServerProperties interface.
-base::WeakPtr<HttpServerProperties> HttpServerPropertiesManager::GetWeakPtr() {
-  DCHECK(network_task_runner_->RunsTasksOnCurrentThread());
-  return network_weak_ptr_factory_->GetWeakPtr();
-}
-
 void HttpServerPropertiesManager::Clear() {
   Clear(base::Closure());
 }