[GCM] Remove all persisted data and close connections when signing out of a profile

chrome/browser/services/gcm/gcm_profile_service_unittest.cc

Index: chrome/browser/services/gcm/gcm_profile_service_unittest.cc
diff --git a/chrome/browser/services/gcm/gcm_profile_service_unittest.cc b/chrome/browser/services/gcm/gcm_profile_service_unittest.cc
index 821f60b2330b955595e1f1eea612f29dda7d1ef6..e093716222e2cec6a889f0007d63e0a27be72557 100644
--- a/chrome/browser/services/gcm/gcm_profile_service_unittest.cc
+++ b/chrome/browser/services/gcm/gcm_profile_service_unittest.cc
@@ -813,6 +813,25 @@ TEST_F(GCMProfileServiceSingleProfileTest,
   EXPECT_EQ(GCMClient::SUCCESS, consumer()->registration_result());
 }
 
+TEST_F(GCMProfileServiceSingleProfileTest,
+       PersistedRegistrationInfoRemoveAfterSignOut) {
+  std::vector<std::string> sender_ids;
+  sender_ids.push_back("sender1");
+  consumer()->Register(kTestingAppId, sender_ids);
+  WaitUntilCompleted();
+
+  // The app id and registration info should be persisted.
+  EXPECT_TRUE(profile()->GetPrefs()->HasPrefPath(prefs::kGCMApps));
+  EXPECT_TRUE(consumer()->HasPersistedRegistrationInfo(kTestingAppId));
+
+  consumer()->SignOut();
+  PumpUILoop();
+
+  // The app id and persisted registration info should be removed.
+  EXPECT_FALSE(profile()->GetPrefs()->HasPrefPath(prefs::kGCMApps));
+  EXPECT_FALSE(consumer()->HasPersistedRegistrationInfo(kTestingAppId));
+}
+
 TEST_F(GCMProfileServiceSingleProfileTest, RegisterAfterSignOut) {
   // This will trigger check-out.
   consumer()->SignOut();