Fix more disabled MSVC warnings, base/ edition.

base/time/time_win.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.
 
 
 // Windows Timer Primer
 //
 // A good article:  http://www.ddj.com/windows/184416651
 // A good mozilla bug:  http://bugzilla.mozilla.org/show_bug.cgi?id=363258
 //
@@ skipping 209 matching lines @@
 bool Time::IsHighResolutionTimerInUse() {
   base::AutoLock lock(g_high_res_lock.Get());
   return g_high_res_timer_enabled && g_high_res_timer_count > 0;
 }
 
 // static
 Time Time::FromExploded(bool is_local, const Exploded& exploded) {
   // Create the system struct representing our exploded time. It will either be
   // in local time or UTC.
   SYSTEMTIME st;
-  st.wYear = exploded.year;
-  st.wMonth = exploded.month;
-  st.wDayOfWeek = exploded.day_of_week;
-  st.wDay = exploded.day_of_month;
-  st.wHour = exploded.hour;
-  st.wMinute = exploded.minute;
-  st.wSecond = exploded.second;
-  st.wMilliseconds = exploded.millisecond;
+  st.wYear = static_cast<WORD>(exploded.year);
+  st.wMonth = static_cast<WORD>(exploded.month);
+  st.wDayOfWeek = static_cast<WORD>(exploded.day_of_week);
+  st.wDay = static_cast<WORD>(exploded.day_of_month);
+  st.wHour = static_cast<WORD>(exploded.hour);
+  st.wMinute = static_cast<WORD>(exploded.minute);
+  st.wSecond = static_cast<WORD>(exploded.second);
+  st.wMilliseconds = static_cast<WORD>(exploded.millisecond);
 
   FILETIME ft;
   bool success = true;
   // Ensure that it's in UTC.
   if (is_local) {
     SYSTEMTIME utc_st;
     success = TzSpecificLocalTimeToSystemTime(NULL, &st, &utc_st) &&
               SystemTimeToFileTime(&utc_st, &ft);
   } else {
     success = !!SystemTimeToFileTime(&st, &ft);
@@ skipping 299 matching lines @@
     return TimeTicks() + TimeDelta::FromMilliseconds(timeGetTime());
   }
 }
 
 // TimeDelta ------------------------------------------------------------------
 
 // static
 TimeDelta TimeDelta::FromQPCValue(LONGLONG qpc_value) {
   return TimeDelta(GetHighResNowSingleton()->QPCValueToMicroseconds(qpc_value));
 }