Replace SetAuthenticatedUsername with SetAuthenticatedAccountId.

chrome/browser/policy/cloud/cloud_policy_browsertest.cc

Index: chrome/browser/policy/cloud/cloud_policy_browsertest.cc
diff --git a/chrome/browser/policy/cloud/cloud_policy_browsertest.cc b/chrome/browser/policy/cloud/cloud_policy_browsertest.cc
index 96d9e07cdf0f4dcef20ae02ea7e012a4d34dc202..ebce2948e5ec3633b4ff32ce0b88ba1eed1058bc 100644
--- a/chrome/browser/policy/cloud/cloud_policy_browsertest.cc
+++ b/chrome/browser/policy/cloud/cloud_policy_browsertest.cc
@@ -84,6 +84,12 @@ KeyedService* BuildFakeProfileInvalidationProvider(
           new invalidation::FakeInvalidationService));
 }
 
+#if !defined(OS_CHROMEOS)
+const char* GetTestGaiaId() {
+  return "gaia-id-user@example.com";

[Andrew T Wilson (Slow), 2015/04/13 14:32:53]

Why is this gaia ID formatted like an email address, but the one in
user_policy_signin_service is "12345"?

[Roger Tawa OOO till Jul 10th, 2015/04/13 15:44:56]

Gaia ids are opaque non-empty strings, chrome does not interpret them in any
way.  I did this just so that we can more easily track strings in tests.

+}
+#endif
+
 const char* GetTestUser() {
 #if defined(OS_CHROMEOS)
   return chromeos::login::kStubUser;
@@ -246,7 +252,7 @@ class CloudPolicyTest : public InProcessBrowserTest,
     SigninManager* signin_manager =
         SigninManagerFactory::GetForProfile(browser()->profile());
     ASSERT_TRUE(signin_manager);
-    signin_manager->SetAuthenticatedUsername(GetTestUser());
+    signin_manager->SetAuthenticatedAccountInfo(GetTestGaiaId(), GetTestUser());
 
     UserCloudPolicyManager* policy_manager =
         UserCloudPolicyManagerFactory::GetForBrowserContext(