[inspector] added inspector protocol test runner

test/inspector-protocol/task-runner.cc

+// Copyright 2016 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 "test/inspector-protocol/task-runner.h"
+
+#include "test/inspector-protocol/task-queue.h"
+#include "test/inspector-protocol/task.h"
+
+namespace v8_inspector {
+
+TaskRunner::TaskRunner(TaskQueue* queue)
+    : Thread(Options("Task Runner")),
+      queue_(queue),
+      state_(TaskRunner::kRunning),
+      isolate_(NULL) {
+  Start();
+}
+
+TaskRunner::~TaskRunner() { Join(); }
+
+void TaskRunner::SetContext(v8::Local<v8::Context> context) {
+  isolate_ = context->GetIsolate();
+  context_.Reset(isolate_, context);
+}
+
+void TaskRunner::Run() {
+  while (true) {
+    Task* task = queue_->GetNext(false);
+    if (!task) return;
+    if (isolate_)
+      task->Run(isolate_, context_);
+    else
+      task->Run();
+    delete task;
+    if (state_.Value() == kStopRequested) return;
+  }
+}
+
+void TaskRunner::Stop() { state_.SetValue(kStopRequested); }
+
+}  //  v8_inspector