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

test/cctest/compiler/test-run-jsexceptions.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(Throw) {
   FunctionTester T("(function(a,b) { if (a) { throw b; } else { return b; }})");
 
   T.CheckThrows(T.true_value(), T.NewObject("new Error"));
   T.CheckCall(T.Val(23), T.false_value(), T.Val(23));
 }
 
 
 TEST(ThrowMessagePosition) {
@@ skipping 249 matching lines @@
       "  } finally {"
       "    %DeoptimizeFunction(f);"
       "  }"
       "})";
   FunctionTester T(src);
 
 #if 0  // TODO(mstarzinger): Enable once we can.
   T.CheckThrows(T.NewObject("new Error"), T.Val(1));
 #endif
 }
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8