replace COMPILE_ASSERT with static_assert in sync/

sync/internal_api/public/base/enum_set.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.
 
 #ifndef SYNC_INTERNAL_API_PUBLIC_BASE_ENUM_SET_H_
 #define SYNC_INTERNAL_API_PUBLIC_BASE_ENUM_SET_H_
 
 #include <bitset>
 #include <cstddef>
 #include <string>
@@ skipping 28 matching lines @@
 // (say, fewer than 64), you can efficiently pass around an EnumSet
 // for that enum around by value.
 
 template <typename E, E MinEnumValue, E MaxEnumValue>
 class EnumSet {
  public:
   typedef E EnumType;
   static const E kMinValue = MinEnumValue;
   static const E kMaxValue = MaxEnumValue;
   static const size_t kValueCount = kMaxValue - kMinValue + 1;
-  COMPILE_ASSERT(kMinValue < kMaxValue,
-                 min_value_must_be_less_than_max_value);
+  static_assert(kMinValue < kMaxValue,
+                "min value must be less than max value");
 
  private:
   // Declaration needed by Iterator.
   typedef std::bitset<kValueCount> EnumBitSet;
 
  public:
   // Iterator is a forward-only read-only iterator for EnumSet.  Its
   // interface is deliberately distinct from an STL iterator as its
   // semantics are substantially different.
   //
@@ skipping 215 matching lines @@
 
 template <typename E, E Min, E Max>
 EnumSet<E, Min, Max> Difference(EnumSet<E, Min, Max> set1,
                                 EnumSet<E, Min, Max> set2) {
   return EnumSet<E, Min, Max>(set1.enums_ & ~set2.enums_);
 }
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_BASE_ENUM_SET_H_