Switch to static_assert in base/.

base/files/file_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.
 
 #include "base/files/file.h"
 
 #include <io.h>
 
 #include "base/logging.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/threading/thread_restrictions.h"
 
 namespace base {
 
 // Make sure our Whence mappings match the system headers.
-COMPILE_ASSERT(File::FROM_BEGIN   == FILE_BEGIN &&
-               File::FROM_CURRENT == FILE_CURRENT &&
-               File::FROM_END     == FILE_END, whence_matches_system);
+static_assert(File::FROM_BEGIN == FILE_BEGIN &&
+                  File::FROM_CURRENT == FILE_CURRENT &&
+                  File::FROM_END == FILE_END,
+              "whence mapping must match the system headers");
 
 bool File::IsValid() const {
   return file_.IsValid();
 }
 
 PlatformFile File::GetPlatformFile() const {
   return file_.Get();
 }
 
 PlatformFile File::TakePlatformFile() {
@@ skipping 369 matching lines @@
   ThreadRestrictions::AssertIOAllowed();
   DCHECK(IsValid());
   return ::FlushFileBuffers(file_.Get()) != FALSE;
 }
 
 void File::SetPlatformFile(PlatformFile file) {
   file_.Set(file);
 }
 
 }  // namespace base