Upgrade to node v9.3.0 (#11507)

* update submodule refs for node v9.3.0

* Define "llvm_version" for Node.js build

* NODE_MODULE_CONTEXT_AWARE_BUILTIN -> NODE_BUILTIN_MODULE_CONTEXT_AWARE

* update NodePlatform to MultiIsolatePlatform

* fix linting error

* update node ref

* REVIEW: Explicitly register builtin modules

https://github.com/nodejs/node/pull/16565

* update libcc ref

* switch libcc to c62

* REVIEW: Address node api changes

- Always start the inspector agent for https://github.com/nodejs/node/pull/17085
- Set the tracing controller for node https://github.com/nodejs/node/pull/15538
- Isolate data creation now requires plaform https://github.com/nodejs/node/pull/16700

atom/app/node_main.cc

@@ -12,6 +12,7 @@
 #include "atom/common/api/atom_bindings.h"
 #include "atom/common/crash_reporter/crash_reporter.h"
 #include "atom/common/native_mate_converters/string16_converter.h"
+#include "atom/common/node_bindings.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/task_scheduler/task_scheduler.h"
@@ -50,14 +51,16 @@ int NodeMain(int argc, char *argv[]) {
     // Initialize gin::IsolateHolder.
     JavascriptEnvironment gin_env;
 
+    // Explicitly register electron's builtin modules.
+    NodeBindings::RegisterBuiltinModules();
+
     int exec_argc;
     const char** exec_argv;
     node::Init(&argc, const_cast<const char**>(argv), &exec_argc, &exec_argv);
 
-    node::IsolateData isolate_data(gin_env.isolate(), loop);
     node::Environment* env = node::CreateEnvironment(
-        &isolate_data, gin_env.context(), argc, argv,
-        exec_argc, exec_argv);
+        node::CreateIsolateData(gin_env.isolate(), loop, gin_env.platform()),
+        gin_env.context(), argc, argv, exec_argc, exec_argv);
 
     // Enable support for v8 inspector.
     NodeDebugger node_debugger(env);
@@ -79,6 +82,7 @@ int NodeMain(int argc, char *argv[]) {
     bool more;
     do {
       more = uv_run(env->event_loop(), UV_RUN_ONCE);
+      gin_env.platform()->DrainBackgroundTasks(env->isolate());
       if (more == false) {
         node::EmitBeforeExit(env);
 
@@ -92,6 +96,8 @@ int NodeMain(int argc, char *argv[]) {
 
     exit_code = node::EmitExit(env);
     node::RunAtExit(env);
+    gin_env.platform()->DrainBackgroundTasks(env->isolate());
+    gin_env.platform()->CancelPendingDelayedTasks(env->isolate());
 
     node::FreeEnvironment(env);
   }