Add account_id to signin manager notifications.

chrome/browser/signin/profile_identity_provider.h

Index: chrome/browser/signin/profile_identity_provider.h
diff --git a/chrome/browser/signin/profile_identity_provider.h b/chrome/browser/signin/profile_identity_provider.h
index ca67ecf967755d8dede6890493e9faf613535c55..54bdac28389dd7c8735781dd79cc598004355add 100644
--- a/chrome/browser/signin/profile_identity_provider.h
+++ b/chrome/browser/signin/profile_identity_provider.h
@@ -29,9 +29,11 @@ class ProfileIdentityProvider : public IdentityProvider,
   virtual bool RequestLogin() OVERRIDE;
 
   // SigninManagerBase::Observer:
-  virtual void GoogleSigninSucceeded(const std::string& username,
+  virtual void GoogleSigninSucceeded(const std::string& account_id,
+                                     const std::string& username,
                                      const std::string& password) OVERRIDE;
-  virtual void GoogleSignedOut(const std::string& username) OVERRIDE;
+  virtual void GoogleSignedOut(const std::string& account_id,
+                               const std::string& username) OVERRIDE;
 
  private:
   SigninManagerBase* const signin_manager_;