More const int definitions for VC++

base/time/time.h

 // 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.
 
 // Time represents an absolute point in coordinated universal time (UTC),
 // internally represented as microseconds (s/1,000,000) since the Windows epoch
 // (1601-01-01 00:00:00 UTC). System-dependent clock interface routines are
 // defined in time_PLATFORM.cc. Note that values for Time may skew and jump
 // around as the operating system makes adjustments to synchronize (e.g., with
 // NTP servers). Thus, client code that uses the Time class must account for
@@ skipping 403 matching lines @@
   // On Mac & Linux, this value is the delta from the Windows epoch of 1601 to
   // the Posix delta of 1970. This is used for migrating between the old
   // 1970-based epochs to the new 1601-based ones. It should be removed from
   // this global header and put in the platform-specific ones when we remove the
   // migration code.
   static const int64 kWindowsEpochDeltaMicroseconds;
 #else
   // To avoid overflow in QPC to Microseconds calculations, since we multiply
   // by kMicrosecondsPerSecond, then the QPC value should not exceed
   // (2^63 - 1) / 1E6. If it exceeds that threshold, we divide then multiply.
-  static const int64 kQPCOverflowThreshold = 0x8637BD05AF7;
+  enum : int64 { kQPCOverflowThreshold = 0x8637BD05AF7 };
 #endif
 
   // Represents an exploded time that can be formatted nicely. This is kind of
   // like the Win32 SYSTEMTIME structure or the Unix "struct tm" with a few
   // additions and changes to prevent errors.
   struct BASE_EXPORT Exploded {
     int year;          // Four digit year "2007"
     int month;         // 1-based month (values 1 = January, etc.)
     int day_of_week;   // 0-based day of week (0 = Sunday, etc.)
     int day_of_month;  // 1-based day of month (1-31)
@@ skipping 391 matching lines @@
   explicit TraceTicks(int64 us) : TimeBase(us) {
   }
 };
 
 // For logging use only.
 BASE_EXPORT std::ostream& operator<<(std::ostream& os, TraceTicks time_ticks);
 
 }  // namespace base
 
 #endif  // BASE_TIME_TIME_H_