[GCM] Handling connection events in GCMAccountTracker

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 491ca87a4f1ae9458675e1593b016bc27a811d2d..bd6ede560a964757f5df296959b44dc7040a55d2 100644
--- a/chrome/browser/services/gcm/gcm_profile_service.cc
+++ b/chrome/browser/services/gcm/gcm_profile_service.cc
@@ -52,13 +52,9 @@ class GCMProfileService::IdentityObserver : public IdentityProvider::Observer {
 
   std::string SignedInUserName() const;
 
-  // Called to inform IdentityObserver that a list of accounts was updated.
-  // |account_tokens| is a list of email addresses, account IDs and OAuth2
-  // access tokens.
-  void AccountsUpdated(
-      const std::vector<GCMClient::AccountTokenInfo>& account_tokens);
-
  private:
+  void StartAccountTracker();
+
   Profile* profile_;
   GCMDriver* driver_;
   scoped_ptr<IdentityProvider> identity_provider_;
@@ -83,6 +79,7 @@ GCMProfileService::IdentityObserver::IdentityObserver(Profile* profile,
   identity_provider_->AddObserver(this);
 
   OnActiveAccountLogin();
+  StartAccountTracker();
 }
 
 GCMProfileService::IdentityObserver::~IdentityObserver() {
@@ -96,30 +93,14 @@ void GCMProfileService::IdentityObserver::OnActiveAccountLogin() {
   const std::string account_id = identity_provider_->GetActiveAccountId();
   if (account_id == account_id_)
     return;
-  account_id_ = account_id;
 
+  account_id_ = account_id;
   driver_->OnSignedIn();
-
-  if (!gcm_account_tracker_) {
-    scoped_ptr<gaia::AccountTracker> gaia_account_tracker(
-        new gaia::AccountTracker(identity_provider_.get(),
-                                 profile_->GetRequestContext()));
-
-    gcm_account_tracker_.reset(new GCMAccountTracker(
-        gaia_account_tracker.Pass(),
-        base::Bind(&GCMProfileService::IdentityObserver::AccountsUpdated,
-                   weak_ptr_factory_.GetWeakPtr())));
-  }
-
-  gcm_account_tracker_->Start();
 }
 
 void GCMProfileService::IdentityObserver::OnActiveAccountLogout() {
   account_id_.clear();
 
-  // Check is necessary to not crash browser_tests.
-  if (gcm_account_tracker_)
-    gcm_account_tracker_->Stop();
   // When sign-in enforcement is not dropped, OnSignedOut will also clear all
   // the GCM data and a new GCM ID will be retrieved after the user signs in
   // again. Otherwise, the user sign-out will not affect the existing GCM
@@ -131,10 +112,20 @@ std::string GCMProfileService::IdentityObserver::SignedInUserName() const {
   return driver_->IsStarted() ? account_id_ : std::string();
 }
 
-void GCMProfileService::IdentityObserver::AccountsUpdated(
-    const std::vector<GCMClient::AccountTokenInfo>& account_tokens) {
-  driver_->SetAccountTokens(account_tokens);
+void GCMProfileService::IdentityObserver::StartAccountTracker() {
+  if (gcm_account_tracker_)
+    return;
+
+  scoped_ptr<gaia::AccountTracker> gaia_account_tracker(
+      new gaia::AccountTracker(identity_provider_.get(),
+                               profile_->GetRequestContext()));
+
+  gcm_account_tracker_.reset(
+      new GCMAccountTracker(gaia_account_tracker.Pass(), driver_));
+
+  gcm_account_tracker_->Start();
 }
+
 #endif  // !defined(OS_ANDROID)
 
 // static
@@ -234,6 +225,8 @@ std::string GCMProfileService::SignedInUserName() const {
 
 void GCMProfileService::SetDriverForTesting(GCMDriver* driver) {
   driver_.reset(driver);
+  if (identity_observer_)
+    identity_observer_.reset(new IdentityObserver(profile_, driver));
 }
 
 }  // namespace gcm