Reland: Initialize and reset V4LocalDBManager. Instantiate V4Stores.

components/safe_browsing_db/v4_update_protocol_manager_unittest.cc

 // Copyright 2016 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 "components/safe_browsing_db/v4_update_protocol_manager.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/base64.h"
@@ skipping 224 matching lines @@
   net::TestURLFetcher* fetcher = factory.GetFetcherByID(0);
   DCHECK(fetcher);
   fetcher->set_status(net::URLRequestStatus());
   fetcher->set_response_code(net::HTTP_OK);
   fetcher->SetResponseString(GetExpectedV4UpdateResponse(expected_lurs));
   fetcher->delegate()->OnURLFetchComplete(fetcher);
 
   // No error, back off multiplier is unchanged.
   EXPECT_EQ(0ul, pm->update_error_count_);
   EXPECT_EQ(1ul, pm->update_back_off_mult_);
-  EXPECT_TRUE(pm->IsUpdateScheduled());
+  EXPECT_FALSE(pm->IsUpdateScheduled());
 }
 
 TEST_F(V4UpdateProtocolManagerTest, TestGetUpdatesWithOneBackoff) {
   scoped_refptr<base::TestSimpleTaskRunner> runner(
       new base::TestSimpleTaskRunner());
   base::ThreadTaskRunnerHandle runner_handler(runner);
   net::TestURLFetcherFactory factory;
   std::vector<ListUpdateResponse> expected_lurs;
   SetupExpectedListUpdateResponse(&expected_lurs);
   base::hash_map<UpdateListIdentifier, std::string> current_list_states;
@@ skipping 32 matching lines @@
   fetcher = factory.GetFetcherByID(1);
   DCHECK(fetcher);
   fetcher->set_status(net::URLRequestStatus());
   fetcher->set_response_code(net::HTTP_OK);
   fetcher->SetResponseString(GetExpectedV4UpdateResponse(expected_lurs));
   fetcher->delegate()->OnURLFetchComplete(fetcher);
 
   // No error, back off multiplier is unchanged.
   EXPECT_EQ(0ul, pm->update_error_count_);
   EXPECT_EQ(1ul, pm->update_back_off_mult_);
-  EXPECT_TRUE(pm->IsUpdateScheduled());
+  EXPECT_FALSE(pm->IsUpdateScheduled());
 }
 
 }  // namespace safe_browsing