Enable RL sync by default on iOS

components/reading_list/ios/reading_list_entry_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/reading_list/reading_list_entry.h"
+#include "components/reading_list/ios/reading_list_entry.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/test/simple_test_tick_clock.h"
-#include "components/reading_list/proto/reading_list.pb.h"
+#include "components/reading_list/ios/proto/reading_list.pb.h"
 #include "components/sync/protocol/reading_list_specifics.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 const int kFirstBackoff = 10;
 const int kSecondBackoff = 10;
 const int kThirdBackoff = 60;
 const int kFourthBackoff = 120;
 const int kFifthBackoff = 120;
 }  // namespace
@@ skipping 298 matching lines @@
   EXPECT_EQ(sync_entry.URL().spec(), "http://example2.com/");
   EXPECT_EQ(sync_entry.Title(), "title2");
   EXPECT_EQ(sync_entry.UpdateTime(), sync_update_time_us);
   EXPECT_EQ(sync_entry.FailedDownloadCounter(), 0);
   EXPECT_EQ(sync_entry.DistilledState(), ReadingListEntry::PROCESSED);
   EXPECT_EQ(sync_entry.DistilledPath().value(), "distilled/page.html");
   base::Time sync_next_call = base::Time::Now() + sync_entry.TimeUntilNextTry();
   base::TimeDelta delta = next_call - sync_next_call;
   EXPECT_NEAR(delta.InMillisecondsRoundedUp(), 0, 10);
 }