Hook up custom Win 64 SEH to v8

gin/isolate_holder.cc

Index: gin/isolate_holder.cc
diff --git a/gin/isolate_holder.cc b/gin/isolate_holder.cc
index 00e9d845bd067327fbf90838b96ab08fccc9732f..62ed9be866258b78796e070b4678177d4ab1044a 100644
--- a/gin/isolate_holder.cc
+++ b/gin/isolate_holder.cc
@@ -42,6 +42,17 @@ IsolateHolder::IsolateHolder() {
                                        base::SysInfo::NumberOfProcessors());
   isolate_ = v8::Isolate::New(params);
   isolate_data_.reset(new PerIsolateData(isolate_, g_array_buffer_allocator));
+#if defined(OS_WIN)
+  {
+    void* code_range;
+    size_t size;
+    isolate_->GetCodeRange(&code_range, &size);
+    Debug::CodeRangeCreatedCallback callback =
+        DebugImpl::GetCodeRangeCreatedCallback();
+    if (code_range && size && callback)
+      callback(code_range, size);
+  }
+#endif
 }
 
 IsolateHolder::~IsolateHolder() {