Allow fallback from https to http for component update checks.

components/update_client/test_configurator.cc

Index: components/update_client/test_configurator.cc
diff --git a/components/update_client/test_configurator.cc b/components/update_client/test_configurator.cc
index 93279c4e140fb3da679785b8255cc04fcfe2cf31..6ba5392befb2f185f0f93824c5fd44a9d31500af 100644
--- a/components/update_client/test_configurator.cc
+++ b/components/update_client/test_configurator.cc
@@ -55,10 +55,16 @@ int TestConfigurator::UpdateDelay() const {
 }
 
 std::vector<GURL> TestConfigurator::UpdateUrl() const {
+  if (!update_check_url_.is_empty())
+    return std::vector<GURL>(1, update_check_url_);
+
   return MakeDefaultUrls();
 }
 
 std::vector<GURL> TestConfigurator::PingUrl() const {
+  if (!ping_url_.is_empty())
+    return std::vector<GURL>(1, ping_url_);
+
   return UpdateUrl();
 }
 
@@ -133,6 +139,14 @@ void TestConfigurator::SetDownloadPreference(
   download_preference_ = download_preference;
 }
 
+void TestConfigurator::SetUpdateCheckUrl(const GURL& url) {
+  update_check_url_ = url;
+}
+
+void TestConfigurator::SetPingUrl(const GURL& url) {
+  ping_url_ = url;
+}
+
 scoped_refptr<base::SequencedTaskRunner>
 TestConfigurator::GetSequencedTaskRunner() const {
   DCHECK(worker_task_runner_.get());