Cosmetic changes to tests to make it easier to concatenate them.

src/heap/identity-map.cc

 // Copyright 2015 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/v8.h"
 
 #include "src/heap/heap.h"
 #include "src/heap/identity-map.h"
 
 namespace v8 {
@@ skipping 169 matching lines @@
     if (old_keys[i] == nullptr) continue;
     int index = InsertIndex(old_keys[i]);
     DCHECK_GE(index, 0);
     values_[index] = old_values[i];
   }
 
   // Unregister old keys and register new keys.
   heap_->UnregisterStrongRoots(old_keys);
   heap_->RegisterStrongRoots(keys_, keys_ + size_);
 }
-}
-}  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8