Revert of Initialize and reset V4LocalDBManager. Instantiate V4Stores.

components/safe_browsing_db/v4_update_protocol_manager_unittest.cc

Index: components/safe_browsing_db/v4_update_protocol_manager_unittest.cc
diff --git a/components/safe_browsing_db/v4_update_protocol_manager_unittest.cc b/components/safe_browsing_db/v4_update_protocol_manager_unittest.cc
index b0d5ab396863380108adf1b038b8c968906c8bde..326ddb93248f29c1ef17981305df78857931cf42 100644
--- a/components/safe_browsing_db/v4_update_protocol_manager_unittest.cc
+++ b/components/safe_browsing_db/v4_update_protocol_manager_unittest.cc
@@ -242,7 +242,7 @@
   // No error, back off multiplier is unchanged.
   EXPECT_EQ(0ul, pm->update_error_count_);
   EXPECT_EQ(1ul, pm->update_back_off_mult_);
-  EXPECT_FALSE(pm->IsUpdateScheduled());
+  EXPECT_TRUE(pm->IsUpdateScheduled());
 }
 
 TEST_F(V4UpdateProtocolManagerTest, TestGetUpdatesWithOneBackoff) {
@@ -295,7 +295,7 @@
   // No error, back off multiplier is unchanged.
   EXPECT_EQ(0ul, pm->update_error_count_);
   EXPECT_EQ(1ul, pm->update_back_off_mult_);
-  EXPECT_FALSE(pm->IsUpdateScheduled());
+  EXPECT_TRUE(pm->IsUpdateScheduled());
 }
 
 }  // namespace safe_browsing