Regularize namespace closing curlies

src/compiler/gap-resolver.cc

 // Copyright 2014 the V8 project 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 "src/compiler/gap-resolver.h"
 
 #include <algorithm>
 #include <functional>
 #include <set>
 
@@ skipping 93 matching lines @@
   // move's source or destination needs to have their source changed to
   // reflect the state of affairs after the swap.
   for (auto other : *moves) {
     if (other->Blocks(source)) {
       other->set_source(destination);
     } else if (other->Blocks(destination)) {
       other->set_source(source);
     }
   }
 }
-}
-}
-}  // namespace v8::internal::compiler
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8