Re-enable storage for Suborigins.

chrome/browser/browsing_data/browsing_data_local_storage_helper_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
 
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 30 matching lines @@
 
   EXPECT_TRUE(helper->empty());
   helper->AddLocalStorage(origin1);
   helper->AddLocalStorage(origin2);
   helper->AddLocalStorage(origin3);
   EXPECT_EQ(3u, helper->GetLocalStorageCount());
   helper->DeleteOrigin(origin2);
   EXPECT_EQ(2u, helper->GetLocalStorageCount());
   helper->DeleteOrigin(origin1);
   EXPECT_EQ(1u, helper->GetLocalStorageCount());
+
+  // Local storage for a suborigin
+  // (https://www.chromestatus.com/feature/5569465034997760) should be deleted
+  // when the corresponding physical origin is deleted.
+  const GURL suborigin("http-so://suborigin.foo.example.com");
+  helper->AddLocalStorage(suborigin);
+  EXPECT_EQ(2u, helper->GetLocalStorageCount());
+  helper->DeleteOrigin(origin3);
+  EXPECT_EQ(0u, helper->GetLocalStorageCount());
+  helper->AddLocalStorage(suborigin);
+  EXPECT_EQ(1u, helper->GetLocalStorageCount());
+  helper->DeleteOrigin(origin3);
+  EXPECT_EQ(0u, helper->GetLocalStorageCount());
 }
 
 TEST_F(CannedBrowsingDataLocalStorageTest, IgnoreExtensionsAndDevTools) {
   TestingProfile profile;
 
   const GURL origin1("chrome-extension://abcdefghijklmnopqrstuvwxyz/");
   const GURL origin2("chrome-devtools://abcdefghijklmnopqrstuvwxyz/");
 
   scoped_refptr<CannedBrowsingDataLocalStorageHelper> helper(
       new CannedBrowsingDataLocalStorageHelper(&profile));
 
   ASSERT_TRUE(helper->empty());
   helper->AddLocalStorage(origin1);
   ASSERT_TRUE(helper->empty());
   helper->AddLocalStorage(origin2);
   ASSERT_TRUE(helper->empty());
 }
 
 }  // namespace