Make callers of FromUTC(Local)Exploded in net/ use new time API.

net/http/http_util_unittest.cc

Index: net/http/http_util_unittest.cc
diff --git a/net/http/http_util_unittest.cc b/net/http/http_util_unittest.cc
index 5d443340e49a817d074f832b86fccf579422e883..38d4b7689f0e0ca0bb12729824aefb899f31a2a4 100644
--- a/net/http/http_util_unittest.cc
+++ b/net/http/http_util_unittest.cc
@@ -965,10 +965,12 @@ TEST(HttpUtilTest, ParseRanges) {
 
 TEST(HttpUtilTest, ParseRetryAfterHeader) {
   base::Time::Exploded now_exploded = { 2014, 11, -1, 5, 22, 39, 30, 0 };
-  base::Time now = base::Time::FromUTCExploded(now_exploded);
+  base::Time now;
+  EXPECT_TRUE(base::Time::FromUTCExploded(now_exploded, &now));
 
   base::Time::Exploded later_exploded = { 2015, 1, -1, 1, 12, 34, 56, 0 };
-  base::Time later = base::Time::FromUTCExploded(later_exploded);
+  base::Time later;
+  EXPECT_TRUE(base::Time::FromUTCExploded(later_exploded, &later));
 
   const struct {
     const char* retry_after_string;