Replace SetAuthenticatedUsername with SetAuthenticatedAccountId.

chrome/browser/sync/test/integration/profile_sync_service_harness.cc

Index: chrome/browser/sync/test/integration/profile_sync_service_harness.cc
diff --git a/chrome/browser/sync/test/integration/profile_sync_service_harness.cc b/chrome/browser/sync/test/integration/profile_sync_service_harness.cc
index 2f4450be96bf91ee381c37b78d160fe66be7cc11..7a7d1f953c3ee1d6d0379b6ff884b0d8551d9dca 100644
--- a/chrome/browser/sync/test/integration/profile_sync_service_harness.cc
+++ b/chrome/browser/sync/test/integration/profile_sync_service_harness.cc
@@ -155,6 +155,10 @@ bool ProfileSyncServiceHarness::SetupSync(
   // until we've finished configuration.
   service()->SetSetupInProgress(true);
 
+  // Authenticate sync client using GAIA credentials.
+  service()->signin()->SetAuthenticatedAccountInfo(username_, username_);

[Nicolas Zea, 2015/04/10 20:15:29]

user id instead of username for first param? (here and below)

[Roger Tawa OOO till Jul 10th, 2015/04/11 00:23:08]

Done, and did some cleanup as well for some apis that except an account_id. 
While account_id == username for now, it won't necessarily be in the future.

+  service()->GoogleSigninSucceeded(username_, username_, password_);
+
   DCHECK(!username_.empty());
   if (signin_type_ == SigninType::UI_SIGNIN) {
     Browser* browser =
@@ -166,7 +170,7 @@ bool ProfileSyncServiceHarness::SetupSync(
     }
   } else if (signin_type_ == SigninType::FAKE_SIGNIN) {
     // Authenticate sync client using GAIA credentials.
-    service()->signin()->SetAuthenticatedUsername(username_);
+    service()->signin()->SetAuthenticatedAccountInfo(username_, username_);
     service()->GoogleSigninSucceeded(username_, username_, password_);
     ProfileOAuth2TokenServiceFactory::GetForProfile(profile_)->
       UpdateCredentials(username_, GenerateFakeOAuth2RefreshTokenString());