Convert implicit scoped_refptr constructor calls to explicit ones, part 1

net/base/cookie_monster_perftest.cc

Index: net/base/cookie_monster_perftest.cc
diff --git a/net/base/cookie_monster_perftest.cc b/net/base/cookie_monster_perftest.cc
index c006128706462026142a32eaf22fa17da36f77ee..8c64d9acea5451ff0d6be59bd9c95a228a2e8ca1 100644
--- a/net/base/cookie_monster_perftest.cc
+++ b/net/base/cookie_monster_perftest.cc
@@ -283,10 +283,10 @@ TEST(CookieMonsterTest, TestGCTimes) {
   };
   for (int ci = 0; ci < static_cast<int>(ARRAYSIZE_UNSAFE(test_cases)); ++ci) {
     const TestCase& test_case(test_cases[ci]);
-    scoped_refptr<CookieMonster> cm =
+    scoped_refptr<CookieMonster> cm(
         CreateMonsterFromStoreForGC(
             test_case.num_cookies, test_case.num_old_cookies,
-            CookieMonster::kSafeFromGlobalPurgeDays * 2);
+            CookieMonster::kSafeFromGlobalPurgeDays * 2));
 
     GURL gurl("http://google.com");
     std::string cookie_line("z=3");