Componentize SigninIdAccountHelper.

chrome/browser/signin/chrome_signin_client.cc

Index: chrome/browser/signin/chrome_signin_client.cc
diff --git a/chrome/browser/signin/chrome_signin_client.cc b/chrome/browser/signin/chrome_signin_client.cc
index aa5c2c2532fd80ad6de080c099ab331d67f9dd35..74e31c463354e89b7e50c4d58604d9bf52b2cb68 100644
--- a/chrome/browser/signin/chrome_signin_client.cc
+++ b/chrome/browser/signin/chrome_signin_client.cc
@@ -5,7 +5,9 @@
 #include "chrome/browser/signin/chrome_signin_client.h"
 
 #include "chrome/browser/content_settings/cookie_settings.h"
+#include "chrome/browser/signin/local_auth.h"
 #include "chrome/browser/webdata/web_data_service_factory.h"
+#include "chrome/common/profile_management_switches.h"
 #include "url/gurl.h"
 
 #if defined(ENABLE_MANAGED_USERS)
@@ -74,3 +76,12 @@ bool ChromeSigninClient::CanRevokeCredentials() {
 net::URLRequestContextGetter* ChromeSigninClient::GetURLRequestContext() {
   return profile_->GetRequestContext();
 }
+
+void ChromeSigninClient::GoogleSigninSucceeded(const std::string& username,
+                                               const std::string& password) {
+#if !defined(OS_ANDROID)
+  // Don't store password hash except for users of new profile features.
+  if (switches::IsNewProfileManagement())
+    chrome::SetLocalAuthCredentials(profile_, password);
+#endif
+}