Implement support for fallback update check urls in the component updater

components/component_updater/test/test_configurator.cc

Index: components/component_updater/test/test_configurator.cc
diff --git a/components/component_updater/test/test_configurator.cc b/components/component_updater/test/test_configurator.cc
index d611f9ed0cc8731305a3ee1a190f9bd64b2c2bf1..afc96a062404918ff80e461c6c062f65ec2f90bb 100644
--- a/components/component_updater/test/test_configurator.cc
+++ b/components/component_updater/test/test_configurator.cc
@@ -12,6 +12,16 @@
 
 namespace component_updater {
 
+namespace {
+
+std::vector<GURL> MakeDefaultUrls() {
+  std::vector<GURL> urls;
+  urls.push_back(GURL(POST_INTERCEPT_SCHEME
+                      "://" POST_INTERCEPT_HOSTNAME POST_INTERCEPT_PATH));
+  return urls;
+}
+
+}  // namespace
 TestConfigurator::TestConfigurator(
     const scoped_refptr<base::SequencedTaskRunner>& worker_task_runner,
     const scoped_refptr<base::SingleThreadTaskRunner>& network_task_runner)
@@ -58,12 +68,11 @@ int TestConfigurator::OnDemandDelay() const {
   return ondemand_time_;
 }
 
-GURL TestConfigurator::UpdateUrl() const {
-  return GURL(POST_INTERCEPT_SCHEME
-              "://" POST_INTERCEPT_HOSTNAME POST_INTERCEPT_PATH);
+std::vector<GURL> TestConfigurator::UpdateUrl() const {
+  return MakeDefaultUrls();
 }
 
-GURL TestConfigurator::PingUrl() const {
+std::vector<GURL> TestConfigurator::PingUrl() const {
   return UpdateUrl();
 }