Move microtask queueing logic from JavaScript to C++

src/execution.cc

 // Copyright 2014 the V8 project 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 "execution.h"
 
 #include "bootstrapper.h"
 #include "codegen.h"
 #include "deoptimizer.h"
 #include "isolate-inl.h"
@@ skipping 289 matching lines @@
   }
 
   // If the Object doesn't have an instance-call handler we should
   // throw a non-callable exception.
   i::Handle<i::Object> error_obj = isolate->factory()->NewTypeError(
       "called_non_callable", i::HandleVector<i::Object>(&object, 1));
   return isolate->Throw<Object>(error_obj);
 }
 
 
-void Execution::RunMicrotasks(Isolate* isolate) {
-  ASSERT(isolate->microtask_pending());
-  Execution::Call(
-      isolate,
-      isolate->run_microtasks(),
-      isolate->factory()->undefined_value(),
-      0,
-      NULL).Check();
-}
-
-
-void Execution::EnqueueMicrotask(Isolate* isolate, Handle<Object> microtask) {
-  Handle<Object> args[] = { microtask };
-  Execution::Call(
-      isolate,
-      isolate->enqueue_microtask(),
-      isolate->factory()->undefined_value(),
-      1,
-      args).Check();
-}
-
-
 bool StackGuard::IsStackOverflow() {
   ExecutionAccess access(isolate_);
   return (thread_local_.jslimit_ != kInterruptLimit &&
           thread_local_.climit_ != kInterruptLimit);
 }
 
 
 void StackGuard::EnableInterrupts() {
   ExecutionAccess access(isolate_);
   if (has_pending_interrupts(access)) {
@@ skipping 427 matching lines @@
     isolate_->optimizing_compiler_thread()->InstallOptimizedFunctions();
   }
 
   isolate_->counters()->stack_interrupts()->Increment();
   isolate_->counters()->runtime_profiler_ticks()->Increment();
   isolate_->runtime_profiler()->OptimizeNow();
   return isolate_->heap()->undefined_value();
 }
 
 } }  // namespace v8::internal