[jumbo] add some missing cctest header guards

Bug: chromium:746958
Change-Id: I0c1dfe1019b5324d322f5c7a6a2e6095c18f0b40
Reviewed-on: https://chromium-review.googlesource.com/676583Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Mostyn Bramley-Moore <mostynb@opera.com>
Cr-Commit-Position: refs/heads/master@{#48106}

test/cctest/compiler/code-assembler-tester.h

@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
+#define V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
+
 #include "src/compiler/code-assembler.h"
 #include "src/handles.h"
 #include "src/interface-descriptors.h"
@@ -54,3 +57,5 @@ class CodeAssemblerTester {
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
+
+#endif  // V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_

test/cctest/interpreter/interpreter-tester.h

@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef V8_TEST_CCTEST_INTERPRETER_INTERPRETER_TESTER_H_
+#define V8_TEST_CCTEST_INTERPRETER_INTERPRETER_TESTER_H_
+
 #include "src/v8.h"
 
 #include "src/api.h"
@@ -129,3 +132,5 @@ class InterpreterTester {
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
+
+#endif  // V8_TEST_CCTEST_INTERPRETER_INTERPRETER_TESTER_H_