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

src/arm64/decoder-arm64.cc

 // Copyright 2013 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"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/decoder-arm64.h"
 #include "src/globals.h"
@@ skipping 63 matching lines @@
     }                                                            \
     std::list<DecoderVisitor*>::iterator it;                     \
     for (it = visitors_.begin(); it != visitors_.end(); it++) {  \
       (*it)->Visit##A(instr);                                    \
     }                                                            \
   }
 VISITOR_LIST(DEFINE_VISITOR_CALLERS)
 #undef DEFINE_VISITOR_CALLERS
 
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64