Use lower-case JIDs when generating signatures for messages sent to CRD bot.

remoting/host/register_support_host_request_unittest.cc

Index: remoting/host/register_support_host_request_unittest.cc
diff --git a/remoting/host/register_support_host_request_unittest.cc b/remoting/host/register_support_host_request_unittest.cc
index 36e927cfd7e24fc166beddf38954e8e942e16f41..c848bf2cc27ee8353d51a090ec20ecd9409723bb 100644
--- a/remoting/host/register_support_host_request_unittest.cc
+++ b/remoting/host/register_support_host_request_unittest.cc
@@ -33,7 +33,8 @@ namespace remoting {
 
 namespace {
 const char kTestBotJid[] = "remotingunittest@bot.talk.google.com";
-const char kTestJid[] = "user@gmail.com/chromoting123";
+const char kTestJid[] = "User@gmail.com/chromotingABC123";
+const char kTestJidNormalized[] = "user@gmail.com/chromotingABC123";
 const char kSupportId[] = "AB4RF3";
 const char kSupportIdLifetime[] = "300";
 const char kStanzaId[] = "123";
@@ -122,7 +123,7 @@ TEST_F(RegisterSupportHostRequestTest, Send) {
   ASSERT_TRUE(key_pair.get());
 
   std::string expected_signature =
-      key_pair->SignMessage(std::string(kTestJid) + ' ' + time_str);
+      key_pair->SignMessage(std::string(kTestJidNormalized) + ' ' + time_str);
   EXPECT_EQ(expected_signature, signature->BodyText());
 
   // Generate response and verify that callback is called.