Base a pagination.PageResult on gophercloud.Result.
diff --git a/openstack/identity/v2/extensions/delegate.go b/openstack/identity/v2/extensions/delegate.go
index cee275f..fd6e80e 100644
--- a/openstack/identity/v2/extensions/delegate.go
+++ b/openstack/identity/v2/extensions/delegate.go
@@ -44,7 +44,7 @@
 // List returns a Pager which allows you to iterate over the full collection of extensions.
 // It does not accept query parameters.
 func List(c *gophercloud.ServiceClient) pagination.Pager {
-	return common.List(c).WithPageCreator(func(r pagination.LastHTTPResponse) pagination.Page {
+	return common.List(c).WithPageCreator(func(r pagination.PageResult) pagination.Page {
 		return ExtensionPage{
 			ExtensionPage: common.ExtensionPage{SinglePageBase: pagination.SinglePageBase(r)},
 		}
diff --git a/openstack/identity/v2/tenants/requests.go b/openstack/identity/v2/tenants/requests.go
index 5ffeaa7..5a359f5 100644
--- a/openstack/identity/v2/tenants/requests.go
+++ b/openstack/identity/v2/tenants/requests.go
@@ -16,8 +16,8 @@
 
 // List enumerates the Tenants to which the current token has access.
 func List(client *gophercloud.ServiceClient, opts *ListOpts) pagination.Pager {
-	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
-		return TenantPage{pagination.LinkedPageBase{LastHTTPResponse: r}}
+	createPage := func(r pagination.PageResult) pagination.Page {
+		return TenantPage{pagination.LinkedPageBase{PageResult: r}}
 	}
 
 	url := listURL(client)
diff --git a/openstack/identity/v3/endpoints/requests.go b/openstack/identity/v3/endpoints/requests.go
index 345ec19..f05cae7 100644
--- a/openstack/identity/v3/endpoints/requests.go
+++ b/openstack/identity/v3/endpoints/requests.go
@@ -94,8 +94,8 @@
 		q["per_page"] = strconv.Itoa(opts.Page)
 	}
 
-	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
-		return EndpointPage{pagination.LinkedPageBase{LastHTTPResponse: r}}
+	createPage := func(r pagination.PageResult) pagination.Page {
+		return EndpointPage{pagination.LinkedPageBase{PageResult: r}}
 	}
 
 	u := listURL(client) + utils.BuildQuery(q)
diff --git a/openstack/identity/v3/services/requests.go b/openstack/identity/v3/services/requests.go
index 5673eda..a3eefea 100644
--- a/openstack/identity/v3/services/requests.go
+++ b/openstack/identity/v3/services/requests.go
@@ -52,8 +52,8 @@
 	}
 	u := listURL(client) + utils.BuildQuery(q)
 
-	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
-		return ServicePage{pagination.LinkedPageBase{LastHTTPResponse: r}}
+	createPage := func(r pagination.PageResult) pagination.Page {
+		return ServicePage{pagination.LinkedPageBase{PageResult: r}}
 	}
 
 	return pagination.NewPager(client, u, createPage)