Allow cross dependencies between BCKSF and BSKSF

components/keyed_service/ios/browser_state_context_converter.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/keyed_service/ios/browser_state_context_converter.h"
+
+namespace {
+
+// Global BrowserStateContextConverter* instance, may be null.
+BrowserStateContextConverter* g_browser_state_context_converter = nullptr;
+
+}  // namespace
+
+// static
+void BrowserStateContextConverter::SetInstance(
+    BrowserStateContextConverter* instance) {
+  g_browser_state_context_converter = instance;
+}
+
+BrowserStateContextConverter* BrowserStateContextConverter::GetInstance() {
+  return g_browser_state_context_converter;
+}
+
+BrowserStateContextConverter::BrowserStateContextConverter() {
+}
+
+BrowserStateContextConverter::~BrowserStateContextConverter() {
+}