Roll DEPS for v8 to 820a23aa.

fxjse/runtime.cpp

Index: fxjse/runtime.cpp
diff --git a/fxjse/runtime.cpp b/fxjse/runtime.cpp
index 29814bdc7e79c92e51d0ec7ff1e337a0999e11cb..b5f2f33a75094472abe9e6dc7aeb2d79edb4528b 100644
--- a/fxjse/runtime.cpp
+++ b/fxjse/runtime.cpp
@@ -79,8 +79,14 @@ CFXJSE_RuntimeData* CFXJSE_RuntimeData::Create(v8::Isolate* pIsolate) {
   CFXJSE_ScopeUtil_IsolateHandle scope(pIsolate);
   v8::Local<v8::FunctionTemplate> hFuncTemplate =
       v8::FunctionTemplate::New(pIsolate);
+  v8::Local<v8::ObjectTemplate> hGlobalTemplate =
+      hFuncTemplate->InstanceTemplate();
+  hGlobalTemplate->Set(
+      v8::Symbol::GetToStringTag(pIsolate),
+      v8::String::NewFromUtf8(pIsolate, "global", v8::NewStringType::kNormal)
+          .ToLocalChecked());
   v8::Local<v8::Context> hContext =
-      v8::Context::New(pIsolate, 0, hFuncTemplate->InstanceTemplate());
+      v8::Context::New(pIsolate, 0, hGlobalTemplate);
   hContext->SetSecurityToken(v8::External::New(pIsolate, pIsolate));
   pRuntimeData->m_hRootContextGlobalTemplate.Reset(pIsolate, hFuncTemplate);
   pRuntimeData->m_hRootContext.Reset(pIsolate, hContext);