Refactor Maps' code_cache

test/cctest/BUILD.gn

 # Copyright 2016 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.
 
 # Please keep this file in sync with cctest.gyp.
 
 import("../../gni/v8.gni")
 
 executable("cctest") {
   testonly = true
@@ skipping 75 matching lines @@
     "test-api.h",
     "test-array-list.cc",
     "test-asm-validator.cc",
     "test-ast-expression-visitor.cc",
     "test-ast.cc",
     "test-atomicops.cc",
     "test-bignum-dtoa.cc",
     "test-bignum.cc",
     "test-bit-vector.cc",
     "test-circular-queue.cc",
+    "test-code-cache.cc",
     "test-compiler.cc",
     "test-constantpool.cc",
     "test-conversions.cc",
     "test-cpu-profiler.cc",
     "test-date.cc",
     "test-debug.cc",
     "test-decls.cc",
     "test-deoptimization.cc",
     "test-dictionary.cc",
     "test-diy-fp.cc",
@@ skipping 238 matching lines @@
     "$target_gen_dir/resources.cc",
   ]
 
   args = [
     rebase_path("$target_gen_dir/resources.cc", root_build_dir),
     "TEST",
   ]
   args += rebase_path(sources, root_build_dir)
 }
 # TODO(machenbach): Migrate generate-bytecode-expectations.