Connect BackgroundFetch to the OfflineItemCollection

content/shell/browser/shell_browser_context.cc

Index: content/shell/browser/shell_browser_context.cc
diff --git a/content/shell/browser/shell_browser_context.cc b/content/shell/browser/shell_browser_context.cc
index 90f18e9ac8b96fc95361ad4275c992dc92bf5404..34e024eefd201f5d2d219b44951f5463d39c29dc 100644
--- a/content/shell/browser/shell_browser_context.cc
+++ b/content/shell/browser/shell_browser_context.cc
@@ -215,6 +215,10 @@ PermissionManager* ShellBrowserContext::GetPermissionManager() {
   return permission_manager_.get();
 }
 
+BackgroundFetchClient* ShellBrowserContext::GetBackgroundFetchClient() {
+  return nullptr;
+}
+
 BackgroundSyncController* ShellBrowserContext::GetBackgroundSyncController() {
   if (!background_sync_controller_)
     background_sync_controller_.reset(new MockBackgroundSyncController());