Introduce JIT code events dispatcher for the isolate.

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/dcheck_always_on.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
@@ skipping 801 matching lines @@
     "src/builtins.cc",
     "src/builtins.h",
     "src/cached-powers.cc",
     "src/cached-powers.h",
     "src/cancelable-task.cc",
     "src/cancelable-task.h",
     "src/char-predicates-inl.h",
     "src/char-predicates.cc",
     "src/char-predicates.h",
     "src/checks.h",
+    "src/code-events.h",
     "src/code-factory.cc",
     "src/code-factory.h",
     "src/code-stub-assembler.cc",
     "src/code-stub-assembler.h",
     "src/code-stubs-hydrogen.cc",
     "src/code-stubs.cc",
     "src/code-stubs.h",
     "src/codegen.cc",
     "src/codegen.h",
     "src/collector.h",
@@ skipping 1457 matching lines @@
 
   deps = [
     ":fuzzer_support",
   ]
 
   configs = [ ":internal_config" ]
 }
 
 v8_fuzzer("wasm_asmjs_fuzzer") {
 }