Move setup of code event handlers to gin

gin/debug_impl.cc

+// 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.
+
+#include "gin/debug_impl.h"
+
+namespace gin {
+
+namespace {
+v8::FunctionEntryHook g_entry_hook = NULL;
+v8::JitCodeEventHandler g_jit_code_event_handler = NULL;
+}  // namespace
+
+// static
+void Debug::SetFunctionEntryHook(v8::FunctionEntryHook entry_hook) {
+  g_entry_hook = entry_hook;
+}
+
+// static
+void Debug::SetJitCodeEventHandler(v8::JitCodeEventHandler event_handler) {
+  g_jit_code_event_handler = event_handler;
+}
+
+// static
+v8::FunctionEntryHook DebugImpl::GetFunctionEntryHook() {
+  return g_entry_hook;
+}
+
+// static
+v8::JitCodeEventHandler DebugImpl::GetJitCodeEventHandler() {
+  return g_jit_code_event_handler;
+}
+
+}  // namespace gin