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

src/bignum.cc

 // Copyright 2011 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/bignum.h"
 #include "src/utils.h"
 
 namespace v8 {
@@ skipping 732 matching lines @@
     if (borrow == 0) return;
     Chunk difference = bigits_[i] - borrow;
     bigits_[i] = difference & kBigitMask;
     borrow = difference >> (kChunkSize - 1);
   }
   Clamp();
   DCHECK(Bignum::Equal(a, *this));
 }
 
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8