Move IdentityProvider usage from GCMDriverDesktop to GCMProfileService

chrome/browser/services/gcm/gcm_profile_service.cc

Index: chrome/browser/services/gcm/gcm_profile_service.cc
diff --git a/chrome/browser/services/gcm/gcm_profile_service.cc b/chrome/browser/services/gcm/gcm_profile_service.cc
index d4ab7028ab9c9d37dcb7bd9edae2f13c0fb56062..2b0e6b05b7c791a85798a89a372f2f54482da353 100644
--- a/chrome/browser/services/gcm/gcm_profile_service.cc
+++ b/chrome/browser/services/gcm/gcm_profile_service.cc
@@ -60,12 +60,16 @@ GCMProfileService::GCMProfileService(
 
   driver_ = CreateGCMDriverDesktop(
       gcm_client_factory.Pass(),
-      scoped_ptr<IdentityProvider>(new ProfileIdentityProvider(
-          SigninManagerFactory::GetForProfile(profile_),
-          ProfileOAuth2TokenServiceFactory::GetForProfile(profile_),
-          LoginUIServiceFactory::GetForProfile(profile_))),
       profile_->GetPath().Append(chrome::kGCMStoreDirname),
       profile_->GetRequestContext());
+
+  identity_provider_.reset(new ProfileIdentityProvider(
+      SigninManagerFactory::GetForProfile(profile_),
+      ProfileOAuth2TokenServiceFactory::GetForProfile(profile_),
+      LoginUIServiceFactory::GetForProfile(profile_)));
+  identity_provider_->AddObserver(this);
+
+  OnActiveAccountLogin();
 }
 #endif  // defined(OS_ANDROID)
 
@@ -100,6 +104,41 @@ void GCMProfileService::Shutdown() {
     driver_->Shutdown();
     driver_.reset();
   }
+
+#if !defined(OS_ANDROID)
+  if (identity_provider_) {
+    identity_provider_->RemoveObserver(this);
+    identity_provider_.reset();
+  }
+#endif  // !defined(OS_ANDROID)
+}
+
+#if !defined(OS_ANDROID)
+void GCMProfileService::OnActiveAccountLogin() {
+  if (!driver_)
+    return;
+
+  // This might be called multiple times when the password changes.
+  const std::string account_id = identity_provider_->GetActiveAccountId();
+  if (account_id == account_id_)
+    return;
+  account_id_ = account_id;
+
+  driver_->SignIn();
+}
+
+void GCMProfileService::OnActiveAccountLogout() {
+  if (driver_)
+    driver_->Purge();
+}
+#endif  // !defined(OS_ANDROID)
+
+std::string GCMProfileService::SignedInUserName() const {
+#if !defined(OS_ANDROID)
+  if (driver_ && driver_->IsStarted())
+    return account_id_;
+#endif  // !defined(OS_ANDROID)
+  return std::string();
 }
 
 void GCMProfileService::SetDriverForTesting(GCMDriver* driver) {