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

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

Index: test/cctest/compiler/test-run-jsexceptions.cc
diff --git a/test/cctest/compiler/test-run-jsexceptions.cc b/test/cctest/compiler/test-run-jsexceptions.cc
index 713d5c713e3d9c996dc702e87df96753b79b5f8b..5c56b036ef46462e9879effb625108545e6042f8 100644
--- a/test/cctest/compiler/test-run-jsexceptions.cc
+++ b/test/cctest/compiler/test-run-jsexceptions.cc
@@ -7,8 +7,9 @@
 
 #include "test/cctest/compiler/function-tester.h"
 
-using namespace v8::internal;
-using namespace v8::internal::compiler;
+namespace v8 {
+namespace internal {
+namespace compiler {
 
 TEST(Throw) {
   FunctionTester T("(function(a,b) { if (a) { throw b; } else { return b; }})");
@@ -278,3 +279,7 @@ TEST(DeoptFinallyReThrow) {
   T.CheckThrows(T.NewObject("new Error"), T.Val(1));
 #endif
 }
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8