replace COMPILE_ASSERT with static_assert in sync/

sync/syncable/syncable_enum_conversions.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.
 
 // Keep this file in sync with entry_kernel.h.
 
 #include "sync/syncable/syncable_enum_conversions.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 
 namespace syncer {
 namespace syncable {
 
 // We can't tokenize expected_min/expected_max since it can be a
 // general expression.
 #define ASSERT_ENUM_BOUNDS(enum_min, enum_max, expected_min, expected_max) \
-  COMPILE_ASSERT(static_cast<int>(enum_min) ==                          \
-                 static_cast<int>(expected_min),                        \
-                 enum_min##_not_expected_min);                          \
-  COMPILE_ASSERT(static_cast<int>(enum_max) ==                          \
-                 static_cast<int>(expected_max),                        \
-                 enum_max##_not_expected_max);
+  static_assert(static_cast<int>(enum_min) ==                              \
+                static_cast<int>(expected_min),                            \
+                #enum_min " not " #expected_min);                           \

[maniscalco, 2015/01/07 18:22:50]

nit: this trailing slash doesn't line up with the others

[Mostyn Bramley-Moore, 2015/01/07 19:16:40]

Done.

+  static_assert(static_cast<int>(enum_max) ==                              \
+                static_cast<int>(expected_max),                            \
+                #enum_max " not " #expected_max);
 
 #define ENUM_CASE(enum_value) case enum_value: return #enum_value
 
 const char* GetMetahandleFieldString(MetahandleField metahandle_field) {
   ASSERT_ENUM_BOUNDS(META_HANDLE, META_HANDLE,
                      INT64_FIELDS_BEGIN, BASE_VERSION - 1);
   switch (metahandle_field) {
     ENUM_CASE(META_HANDLE);
   }
   NOTREACHED();
@@ skipping 150 matching lines @@
   }
   NOTREACHED();
   return "";
 }
 
 #undef ENUM_CASE
 #undef ASSERT_ENUM_BOUNDS
 
 }  // namespace syncable
 }  // namespace syncer