Fix Integer-overflow in base::Time::FromExploded.

media/formats/webm/webm_info_parser.cc

Index: media/formats/webm/webm_info_parser.cc
diff --git a/media/formats/webm/webm_info_parser.cc b/media/formats/webm/webm_info_parser.cc
index 6cce65b49eb71b9a0b0f2827f8bd437fe571ea8e..1e13ef71189da677dc8112e8d014bb69bf0258ad 100644
--- a/media/formats/webm/webm_info_parser.cc
+++ b/media/formats/webm/webm_info_parser.cc
@@ -86,6 +86,7 @@ bool WebMInfoParser::OnBinary(int id, const uint8_t* data, int size) {
     exploded_epoch.year = 2001;
     exploded_epoch.month = 1;
     exploded_epoch.day_of_month = 1;
+    exploded_epoch.day_of_week = 1;
     exploded_epoch.hour = 0;
     exploded_epoch.minute = 0;
     exploded_epoch.second = 0;