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

src/x64/debug-x64.cc

 // Copyright 2012 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_X64
 
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 284 matching lines @@
   __ leap(rdx, FieldOperand(rdx, Code::kHeaderSize));
 
   // Re-run JSFunction, rdi is function, rsi is context.
   __ jmp(rdx);
 }
 
 const bool LiveEdit::kFrameDropperSupported = true;
 
 #undef __
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64