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

test/cctest/compiler/test-run-intrinsics.cc

Index: test/cctest/compiler/test-run-intrinsics.cc
diff --git a/test/cctest/compiler/test-run-intrinsics.cc b/test/cctest/compiler/test-run-intrinsics.cc
index 7978eb213c484952b5c9f0126b6b2fffeb295cca..8b72a8b5640d829e910db20a81856a25e655aa74 100644
--- a/test/cctest/compiler/test-run-intrinsics.cc
+++ b/test/cctest/compiler/test-run-intrinsics.cc
@@ -7,8 +7,10 @@
 
 #include "test/cctest/compiler/function-tester.h"
 
-using namespace v8::internal;
-using namespace v8::internal::compiler;
+namespace v8 {
+namespace internal {
+namespace compiler {
+
 uint32_t flags = CompilationInfo::kInliningEnabled;
 
 
@@ -321,3 +323,7 @@ TEST(ValueOf) {
   T.CheckCall(T.Val(123), T.Val(123));
   T.CheckCall(T.Val(456), T.NewObject("(new Number(456))"));
 }
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8