Hook up custom Win 64 SEH to v8

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;
+#if defined(OS_WIN)
+Debug::CodeRangeCreatedCallback g_code_range_created_callback = NULL;
+#endif
 }  // 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;
 }
 
+#if defined(OS_WIN)
+// static
+void Debug::SetCodeRangeCreatedCallback(CodeRangeCreatedCallback callback) {
+  g_code_range_created_callback = callback;
+}
+#endif
+
 // static
 v8::FunctionEntryHook DebugImpl::GetFunctionEntryHook() {
   return g_entry_hook;
 }
 
 // static
 v8::JitCodeEventHandler DebugImpl::GetJitCodeEventHandler() {
   return g_jit_code_event_handler;
 }
 
+#if defined(OS_WIN)
+// static
+Debug::CodeRangeCreatedCallback DebugImpl::GetCodeRangeCreatedCallback() {
+  return g_code_range_created_callback;
+}
+#endif
+
 }  // namespace gin