Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/browser/browsing_data_database_helper_unittest.cc

 // Copyright (c) 2010 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 "chrome/browser/browsing_data_database_helper.h"
 
 #include "base/file_util.h"
 #include "chrome/test/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 28 matching lines @@
   TestingProfile profile;
 
   const GURL origin1("http://host1:1/");
   const GURL origin2("http://host2:1/");
   const char origin_str1[] = "http_host1_1";
   const char origin_str2[] = "http_host2_1";
   const char db1[] = "db1";
   const char db2[] = "db2";
   const char db3[] = "db3";
 
-  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper =
-      new CannedBrowsingDataDatabaseHelper(&profile);
+  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper(
+      new CannedBrowsingDataDatabaseHelper(&profile));
   helper->AddDatabase(origin1, db1, "");
   helper->AddDatabase(origin1, db2, "");
   helper->AddDatabase(origin2, db3, "");
 
   TestCompletionCallback callback;
   helper->StartFetching(
       NewCallback(&callback, &TestCompletionCallback::callback));
   ASSERT_TRUE(callback.have_result());
 
   std::vector<BrowsingDataDatabaseHelper::DatabaseInfo> result =
       callback.result();
 
   ASSERT_EQ(3u, result.size());
   EXPECT_STREQ(origin_str1, result[0].origin_identifier.c_str());
   EXPECT_STREQ(db1, result[0].database_name.c_str());
   EXPECT_STREQ(origin_str1, result[1].origin_identifier.c_str());
   EXPECT_STREQ(db2, result[1].database_name.c_str());
   EXPECT_STREQ(origin_str2, result[2].origin_identifier.c_str());
   EXPECT_STREQ(db3, result[2].database_name.c_str());
 }
 
 TEST(CannedBrowsingDataDatabaseTest, Unique) {
   TestingProfile profile;
 
   const GURL origin("http://host1:1/");
   const char origin_str[] = "http_host1_1";
   const char db[] = "db1";
 
-  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper =
-      new CannedBrowsingDataDatabaseHelper(&profile);
+  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper(
+      new CannedBrowsingDataDatabaseHelper(&profile));
   helper->AddDatabase(origin, db, "");
   helper->AddDatabase(origin, db, "");
 
   TestCompletionCallback callback;
   helper->StartFetching(
       NewCallback(&callback, &TestCompletionCallback::callback));
   ASSERT_TRUE(callback.have_result());
 
   std::vector<BrowsingDataDatabaseHelper::DatabaseInfo> result =
       callback.result();
 
   ASSERT_EQ(1u, result.size());
   EXPECT_STREQ(origin_str, result[0].origin_identifier.c_str());
   EXPECT_STREQ(db, result[0].database_name.c_str());
 }
 
 TEST(CannedBrowsingDataDatabaseTest, Empty) {
   TestingProfile profile;
 
   const GURL origin("http://host1:1/");
   const char db[] = "db1";
 
-  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper =
-      new CannedBrowsingDataDatabaseHelper(&profile);
+  scoped_refptr<CannedBrowsingDataDatabaseHelper> helper(
+      new CannedBrowsingDataDatabaseHelper(&profile));
 
   ASSERT_TRUE(helper->empty());
   helper->AddDatabase(origin, db, "");
   ASSERT_FALSE(helper->empty());
   helper->Reset();
   ASSERT_TRUE(helper->empty());
 }