1 files changed, 48 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/scheduler/main_thread/resource_loading_task_runner_handle_impl.h b/chromium/third_party/blink/renderer/platform/scheduler/main_thread/resource_loading_task_runner_handle_impl.h
new file mode 100644
index 00000000000..4b13aeec409
--- /dev/null
+++ b/chromium/third_party/blink/renderer/platform/scheduler/main_thread/resource_loading_task_runner_handle_impl.h
@@ -0,0 +1,48 @@
+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_RESOURCE_LOADING_TASK_RUNNER_HANDLE_IMPL_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_MAIN_THREAD_RESOURCE_LOADING_TASK_RUNNER_HANDLE_IMPL_H_
+
+#include <memory>
+
+#include "third_party/blink/public/platform/scheduler/web_resource_loading_task_runner_handle.h"
+#include "third_party/blink/renderer/platform/platform_export.h"
+#include "third_party/blink/renderer/platform/scheduler/main_thread/main_thread_task_queue.h"
+
+namespace blink {
+namespace scheduler {
+
+// Provides an interface to the loading stack (i.e. WebURLLoader) to post
+// resource loading tasks and to notify blink's scheduler when a resource's
+// fetch priority changes.
+class PLATFORM_EXPORT ResourceLoadingTaskRunnerHandleImpl
+    : public WebResourceLoadingTaskRunnerHandle {
+ public:
+  static std::unique_ptr<ResourceLoadingTaskRunnerHandleImpl> WrapTaskRunner(
+      scoped_refptr<MainThreadTaskQueue> task_runner);
+
+  scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() const override;
+
+  void DidChangeRequestPriority(net::RequestPriority priority) override;
+
+  const scoped_refptr<MainThreadTaskQueue>& task_queue();
+
+  ~ResourceLoadingTaskRunnerHandleImpl() override;
+
+ protected:
+  explicit ResourceLoadingTaskRunnerHandleImpl(
+      scoped_refptr<MainThreadTaskQueue> task_queue);
+
+ private:
+  scoped_refptr<MainThreadTaskQueue> task_queue_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(ResourceLoadingTaskRunnerHandleImpl);
+};
+
+}  // namespace scheduler
+}  // namespace blink
+
+#endif