Add a generic mechanism for expression rewriting

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 if (is_android) {
@@ skipping 610 matching lines @@
     "src/api-experimental.cc",
     "src/api-experimental.h",
     "src/api-natives.cc",
     "src/api-natives.h",
     "src/arguments.cc",
     "src/arguments.h",
     "src/assembler.cc",
     "src/assembler.h",
     "src/assert-scope.h",
     "src/assert-scope.cc",
+    "src/ast/ast-expression-rewriter.cc",
+    "src/ast/ast-expression-rewriter.h",
     "src/ast/ast-expression-visitor.cc",
     "src/ast/ast-expression-visitor.h",
     "src/ast/ast-literal-reindexer.cc",
     "src/ast/ast-literal-reindexer.h",
     "src/ast/ast-numbering.cc",
     "src/ast/ast-numbering.h",
     "src/ast/ast-value-factory.cc",
     "src/ast/ast-value-factory.h",
     "src/ast/ast.cc",
     "src/ast/ast.h",
@@ skipping 1239 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }