Revert 112815 - [Sync] Make syncer commands avoid posting tasks on threads with no work to do

chrome/browser/sync/engine/process_updates_command_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/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/sync/engine/process_updates_command.h"
-#include "chrome/browser/sync/sessions/session_state.h"
-#include "chrome/browser/sync/sessions/sync_session.h"
-#include "chrome/browser/sync/syncable/model_type.h"
-#include "chrome/browser/sync/syncable/syncable_id.h"
-#include "chrome/browser/sync/test/engine/fake_model_worker.h"
-#include "chrome/browser/sync/test/engine/syncer_command_test.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace browser_sync {
-
-namespace {
-
-class ProcessUpdatesCommandTest : public SyncerCommandTest {
- protected:
-  ProcessUpdatesCommandTest() {}
-  virtual ~ProcessUpdatesCommandTest() {}
-
-  virtual void SetUp() {
-    workers()->push_back(
-        make_scoped_refptr(new FakeModelWorker(GROUP_UI)));
-    workers()->push_back(
-        make_scoped_refptr(new FakeModelWorker(GROUP_DB)));
-    (*mutable_routing_info())[syncable::BOOKMARKS] = GROUP_UI;
-    (*mutable_routing_info())[syncable::AUTOFILL] = GROUP_DB;
-    SyncerCommandTest::SetUp();
-  }
-
-  ProcessUpdatesCommand command_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ProcessUpdatesCommandTest);
-};
-
-TEST_F(ProcessUpdatesCommandTest, GetGroupsToChange) {
-  // TODO(akalin): Expect no groups to change here after we change
-  // ProcessUpdatesCommand back to use
-  // GetEnabledGroupsWithVerifiedUpdates().
-
-  // Add a verified update for GROUP_DB.
-  session()->mutable_status_controller()->
-      GetUnrestrictedMutableUpdateProgressForTest(GROUP_DB)->
-      AddVerifyResult(VerifyResult(), sync_pb::SyncEntity());
-
-  // TODO(akalin): Change this to just expect GROUP_DB after we change
-  // ProcessUpdatesCommand back to use
-  // GetEnabledGroupsWithVerifiedUpdates().
-  ExpectGroupsToChange(command_, GROUP_DB, GROUP_UI, GROUP_PASSIVE);
-}
-
-}  // namespace
-
-}  // namespace browser_sync