Removes MessageLoop::TYPE_XXX where possible

chrome/browser/predictors/autocomplete_action_predictor_table_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/predictors/autocomplete_action_predictor_table.h"
@@ skipping 53 matching lines @@
   virtual void SetUp() {
     // By calling SetUp twice, we make sure that the table already exists for
     // this fixture.
     AutocompleteActionPredictorTableTest::SetUp();
     AutocompleteActionPredictorTableTest::TearDown();
     AutocompleteActionPredictorTableTest::SetUp();
   }
 };
 
 AutocompleteActionPredictorTableTest::AutocompleteActionPredictorTableTest()
-    : loop_(base::MessageLoop::TYPE_DEFAULT),
-      db_thread_(BrowserThread::DB, &loop_) {
+    : db_thread_(BrowserThread::DB, &loop_) {
 }
 
 AutocompleteActionPredictorTableTest::~AutocompleteActionPredictorTableTest() {
 }
 
 void AutocompleteActionPredictorTableTest::SetUp() {
   db_.reset(new PredictorDatabase(&profile_));
   loop_.RunUntilIdle();
 
   test_db_.push_back(AutocompleteActionPredictorTable::Row(
@@ skipping 145 matching lines @@
 
 TEST_F(AutocompleteActionPredictorTableReopenTest, DeleteRows) {
   TestDeleteRows();
 }
 
 TEST_F(AutocompleteActionPredictorTableReopenTest, DeleteAllRows) {
   TestDeleteAllRows();
 }
 
 }  // namespace predictors