update libcc for using custom platform with gin

atom/browser/atom_browser_main_parts.cc

@@ -145,7 +145,7 @@ void AtomBrowserMainParts::PostEarlyInitialization() {
 
   // Enable support for v8 inspector
   node_debugger_.reset(new NodeDebugger(env));
-  node_debugger_->Start();
+  node_debugger_->Start(js_env_->platform());
 
   // Add Electron extended APIs.
   atom_bindings_->BindTo(js_env_->isolate(), env->process_object());

atom/browser/javascript_environment.cc

@@ -26,7 +26,8 @@ JavascriptEnvironment::JavascriptEnvironment()
       locker_(isolate_),
       handle_scope_(isolate_),
       context_(isolate_, v8::Context::New(isolate_)),
-      context_scope_(v8::Local<v8::Context>::New(isolate_, context_)) {}
+      context_scope_(v8::Local<v8::Context>::New(isolate_, context_)) {
+}
 
 void JavascriptEnvironment::OnMessageLoopCreated() {
   isolate_holder_.AddRunMicrotasksObserver();
@@ -44,10 +45,17 @@ bool JavascriptEnvironment::Initialize() {
   if (!js_flags.empty())
     v8::V8::SetFlagsFromString(js_flags.c_str(), js_flags.size());
 
+  // The V8Platform of gin relies on Chromium's task schedule, which has not
+  // been started at this point, so we have to rely on Node's V8Platform.
+  platform_ = node::CreatePlatform(
+      base::RecommendedMaxNumberOfThreadsInPool(3, 8, 0.1, 0),
+      uv_default_loop(), nullptr);
+  v8::V8::InitializePlatform(platform_);
+
   gin::IsolateHolder::Initialize(gin::IsolateHolder::kNonStrictMode,
                                  gin::IsolateHolder::kStableV8Extras,
-                                 gin::ArrayBufferAllocator::SharedInstance());
-
+                                 gin::ArrayBufferAllocator::SharedInstance(),
+                                 false);
   return true;
 }
 

atom/browser/javascript_environment.h

@@ -32,6 +32,9 @@ class JavascriptEnvironment {
  private:
   bool Initialize();
 
+  // Leaked on exit.
+  node::NodePlatform* platform_;
+
   bool initialized_;
   gin::IsolateHolder isolate_holder_;
   v8::Isolate* isolate_;