[presubmit] Enable readability/namespace linter checking.

src/compiler/interpreter-assembler.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/compiler/interpreter-assembler.h"
 
 #include <ostream>
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
@@ skipping 434 matching lines @@
 
 
 Schedule* InterpreterAssembler::schedule() {
   return raw_assembler_->schedule();
 }
 
 
 Zone* InterpreterAssembler::zone() { return raw_assembler_->zone(); }
 
 
-}  // namespace interpreter
+}  // namespace compiler
 }  // namespace internal
 }  // namespace v8