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

test/cctest/compiler/test-run-jsops.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 "test/cctest/compiler/function-tester.h"
 
-using namespace v8::internal;
-using namespace v8::internal::compiler;
+namespace v8 {
+namespace internal {
+namespace compiler {
 
 TEST(BinopAdd) {
   FunctionTester T("(function(a,b) { return a + b; })");
 
   T.CheckCall(3, 1, 2);
   T.CheckCall(-11, -2, -9);
   T.CheckCall(-11, -1.5, -9.5);
   T.CheckCall(T.Val("AB"), T.Val("A"), T.Val("B"));
   T.CheckCall(T.Val("A11"), T.Val("A"), T.Val(11));
   T.CheckCall(T.Val("12B"), T.Val(12), T.Val("B"));
@@ skipping 511 matching lines @@
       "    get z() { return 0; }"
       "    constructor() {}"
       "  }"
       "  return new C().x() + C.y();"
       "})";
   FunctionTester T(src);
 
   T.CheckCall(T.Val(65), T.Val(23), T.Val(42));
   T.CheckCall(T.Val("ab"), T.Val("a"), T.Val("b"));
 }
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8