Add account_id to signin manager notifications.

chrome/browser/signin/signin_manager_unittest.cc

Index: chrome/browser/signin/signin_manager_unittest.cc
diff --git a/chrome/browser/signin/signin_manager_unittest.cc b/chrome/browser/signin/signin_manager_unittest.cc
index f422e24a9d17941567fe087631574b3594b7e370..8854ac115b261a870abb464285516e1d5730413c 100644
--- a/chrome/browser/signin/signin_manager_unittest.cc
+++ b/chrome/browser/signin/signin_manager_unittest.cc
@@ -75,11 +75,14 @@ class TestSigninManagerObserver : public SigninManagerBase::Observer {
   }
 
   virtual void GoogleSigninSucceeded(
-      const std::string& username, const std::string& password) OVERRIDE {
+      const std::string& account_id,
+      const std::string& username,
+      const std::string& password) OVERRIDE {
     num_successful_signins_++;
   }
 
-  virtual void GoogleSignedOut(const std::string& username) OVERRIDE {
+  virtual void GoogleSignedOut(const std::string& account_id,
+                               const std::string& username) OVERRIDE {
     num_signouts_++;
   }
 };