Re-re-land FastAccessorBuilder.

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 578 matching lines @@
       ":toolchain",
     ]
   }
 }
 
 source_set("v8_base") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
   sources = [
     "include/v8-debug.h",
+    "include/v8-experimental.h",
     "include/v8-platform.h",
     "include/v8-profiler.h",
     "include/v8-testing.h",
     "include/v8-util.h",
     "include/v8-version.h",
     "include/v8.h",
     "include/v8config.h",
     "src/accessors.cc",
     "src/accessors.h",
     "src/address-map.cc",
     "src/address-map.h",
     "src/allocation.cc",
     "src/allocation.h",
     "src/allocation-site-scopes.cc",
     "src/allocation-site-scopes.h",
     "src/api.cc",
     "src/api.h",
+    "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-visitor.cc",
     "src/ast/ast-expression-visitor.h",
@@ skipping 91 matching lines @@
     "src/compiler/control-equivalence.h",
     "src/compiler/control-flow-optimizer.cc",
     "src/compiler/control-flow-optimizer.h",
     "src/compiler/dead-code-elimination.cc",
     "src/compiler/dead-code-elimination.h",
     "src/compiler/diamond.h",
     "src/compiler/escape-analysis.cc",
     "src/compiler/escape-analysis.h",
     "src/compiler/escape-analysis-reducer.cc",
     "src/compiler/escape-analysis-reducer.h",
+    "src/compiler/fast-accessor-assembler.cc",
+    "src/compiler/fast-accessor-assembler.h",
     "src/compiler/frame.cc",
     "src/compiler/frame.h",
     "src/compiler/frame-elider.cc",
     "src/compiler/frame-elider.h",
     "src/compiler/frame-states.cc",
     "src/compiler/frame-states.h",
     "src/compiler/gap-resolver.cc",
     "src/compiler/gap-resolver.h",
     "src/compiler/graph-reducer.cc",
     "src/compiler/graph-reducer.h",
@@ skipping 1099 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }