Componentize SigninIdAccountHelper.

components/signin/core/signin_client.h

Index: components/signin/core/signin_client.h
diff --git a/components/signin/core/signin_client.h b/components/signin/core/signin_client.h
index 779d2f8b22f506b7ebd6a5a2ab8254e2357b0cd2..9616500e9cf97c45e867b65a2b7c331641607cf4 100644
--- a/components/signin/core/signin_client.h
+++ b/components/signin/core/signin_client.h
@@ -7,6 +7,10 @@
 
 #include "components/signin/core/webdata/token_web_data.h"
 
+#if !defined(OS_CHROMEOS)
+class SigninManager;
+#endif
+
 class TokenWebData;
 
 namespace net {
@@ -27,6 +31,18 @@ class SigninClient {
 
   // Returns the URL request context information associated with the client.
   virtual net::URLRequestContextGetter* GetURLRequestContext() = 0;
+
+  // Called when Google signin has succeeded.
+  virtual void GoogleSigninSucceeded(const std::string& username,
+                                     const std::string& password) {}
+
+#if !defined(OS_CHROMEOS)
+  // Called when |manager| is initialized.
+  virtual void SigninManagerInitialized(SigninManager* manager) {}
+
+  // Called when |manager| is shut down.
+  virtual void SigninManagerShutdown(SigninManager* manager) {}
+#endif
 };
 
 #endif  // COMPONENTS_SIGNIN_CORE_SIGNIN_CLIENT_H_