Move compiler cctests into v8::internal::compiler namespace.

test/cctest/compiler/test-js-typed-lowering.cc

 // Copyright 2014 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.
 
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/compiler/typer.h"
 #include "test/cctest/cctest.h"
 
-using namespace v8::internal;
-using namespace v8::internal::compiler;
+namespace v8 {
+namespace internal {
+namespace compiler {
 
 #ifndef TEST_WITH_STRONG
 #define TEST_WITH_STRONG(Name)                                                 \
   static void Test##Name();                                                    \
   static void TestWithStrong##Name(LanguageMode language_mode);                \
   CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, true);  \
   static void Test##Name() {                                                   \
     TestWithStrong##Name(LanguageMode::SLOPPY);                                \
     TestWithStrong##Name(LanguageMode::STRONG);                                \
   }                                                                            \
@@ skipping 1225 matching lines @@
           CHECK_EQ(p1, r->InputAt(0));
           CHECK_EQ(p0, r->InputAt(1));
         } else {
           CHECK_EQ(p0, r->InputAt(0));
           CHECK_EQ(p1, r->InputAt(1));
         }
       }
     }
   }
 }
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8