third_party/go: move some repositories from WORKSPACE

Change-Id: Icc23c741512d148c9b3dfb19c52b205d4c0150bd
diff --git a/third_party/go/repositories.bzl b/third_party/go/repositories.bzl
index d4355a6..5f6f8d9 100644
--- a/third_party/go/repositories.bzl
+++ b/third_party/go/repositories.bzl
@@ -1826,3 +1826,21 @@
         sum = "h1:mhH9Nq+C1fY2l1XIpgxIiUOfNpRBYH1kKcr+qfKgjRc=",
         version = "v1.2.1",
     )
+    go_repository(
+        name = "com_github_gorilla_sessions",
+        importpath = "github.com/gorilla/sessions",
+        sum = "h1:DHd3rPN5lE3Ts3D8rKkQ8x/0kqfeNmBAaiSi+o7FsgI=",
+        version = "v1.2.1",
+    )
+    go_repository(
+        name = "com_github_boltdb_bolt",
+        importpath = "github.com/boltdb/bolt",
+        sum = "h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=",
+        version = "v1.3.1",
+    )
+    go_repository(
+        name = "com_github_gorilla_securecookie",
+        importpath = "github.com/gorilla/securecookie",
+        sum = "h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=",
+        version = "v1.1.1",
+    )