Transfer serviceworker state during cross site navigations too.

base/id_map_unittest.cc

 // Copyright (c) 2011 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 "base/id_map.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
@@ skipping 35 matching lines @@
 
   map.Remove(id2);
   EXPECT_TRUE(map.IsEmpty());
   EXPECT_EQ(0U, map.size());
 
   map.AddWithID(&obj1, 1);
   map.AddWithID(&obj2, 2);
   EXPECT_EQ(&obj1, map.Lookup(1));
   EXPECT_EQ(&obj2, map.Lookup(2));
 
+  EXPECT_EQ(&obj2, map.Replace(2, &obj1));
+  EXPECT_EQ(&obj1, map.Lookup(2));
+
   EXPECT_EQ(0, map.iteration_depth());
 }
 
 TEST(IDMapTest, IteratorRemainsValidWhenRemovingCurrentElement) {
   IDMap<TestObject> map;
 
   TestObject obj1;
   TestObject obj2;
   TestObject obj3;
 
@@ skipping 280 matching lines @@
 
   for (int i = 0; i < kCount; ++i) {
     delete external_obj[i];
   }
 
   EXPECT_EQ(external_del_count, kCount);
   EXPECT_EQ(owned_del_count, kCount);
 }
 
 }  // namespace