Implement WebFrameScheduler and WebPageScheduler

components/scheduler/renderer/web_frame_scheduler_impl.cc

+// Copyright 2015 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.
+
+#include "components/scheduler/renderer/web_frame_scheduler_impl.h"
+
+#include "components/scheduler/child/web_task_runner_impl.h"
+#include "components/scheduler/renderer/renderer_scheduler.h"
+#include "components/scheduler/renderer/web_page_scheduler_impl.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
+
+namespace scheduler {
+
+class FrameQueueHolder;
+
+WebFrameSchedulerImpl::WebFrameSchedulerImpl(
+    RendererScheduler* render_scheduler,
+    WebPageSchedulerImpl* parent_page_scheduler)
+    : render_scheduler_(render_scheduler),
+      parent_page_scheduler_(parent_page_scheduler),
+      visible_(false) {}

[Sami, 2015/09/10 12:51:58]

|true| would probably be a safer default.

[alex clarke (OOO till 29th), 2015/09/10 14:35:58]

Done.

+
+WebFrameSchedulerImpl::~WebFrameSchedulerImpl() {
+  if (loading_task_queue_.get())
+    render_scheduler_->UnregisterTaskRunner(loading_task_queue_);
+
+  if (timer_task_queue_.get())
+    render_scheduler_->UnregisterTaskRunner(timer_task_queue_);
+
+  parent_page_scheduler_->Unregister(this);
+}
+
+void WebFrameSchedulerImpl::setFrameVisible(bool visible) {
+  visible_ = visible;
+  // TODO(alexclarke): Do something with this flag.
+}
+
+blink::WebTaskRunner* WebFrameSchedulerImpl::loadingTaskRunner() {
+  if (!loading_web_task_runner_.get()) {
+    loading_task_queue_ =
+        render_scheduler_->NewLoadingTaskRunner("frame_loading_tq");
+    loading_task_queue_->SetOrigin(origin_);
+    loading_web_task_runner_.reset(new WebTaskRunnerImpl(loading_task_queue_));
+  }
+  return loading_web_task_runner_.get();
+}
+
+blink::WebTaskRunner* WebFrameSchedulerImpl::timerTaskRunner() {
+  if (!timer_web_task_runner_.get()) {
+    timer_task_queue_ = render_scheduler_->NewTimerTaskRunner("frame_timer_tq");
+    timer_task_queue_->SetOrigin(origin_);
+    timer_web_task_runner_.reset(new WebTaskRunnerImpl(timer_task_queue_));
+  }
+  return timer_web_task_runner_.get();
+}
+
+void WebFrameSchedulerImpl::setFrameOrigin(
+    const blink::WebSecurityOrigin* origin) {
+  DCHECK(origin);
+  origin_ = origin->toString().utf8();
+
+  if (loading_task_queue_.get())
+    loading_task_queue_->SetOrigin(origin_);
+
+  if (timer_task_queue_.get())
+    timer_task_queue_->SetOrigin(origin_);
+}
+
+}  // namespace scheduler