Patch 1/3 to get WebScheduler via WebThread

content/child/scheduler/base_web_scheduler.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// 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 "content/renderer/scheduler/web_scheduler_impl.h"
+#include "content/child/scheduler/base_web_scheduler.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
-#include "content/renderer/scheduler/renderer_scheduler.h"
+#include "content/child/scheduler/worker_scheduler.h"
 #include "third_party/WebKit/public/platform/WebTraceLocation.h"
 
 namespace content {
 
-WebSchedulerImpl::WebSchedulerImpl(RendererScheduler* renderer_scheduler)
-    : renderer_scheduler_(renderer_scheduler),
-      idle_task_runner_(renderer_scheduler_->IdleTaskRunner()),
-      loading_task_runner_(renderer_scheduler_->LoadingTaskRunner()),
-      timer_task_runner_(renderer_scheduler_->TimerTaskRunner()) {
+BaseWebScheduler::BaseWebScheduler(
+    scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner)
+    : idle_task_runner_(idle_task_runner),
+      loading_task_runner_(loading_task_runner),
+      timer_task_runner_(timer_task_runner) {
 }
 
-WebSchedulerImpl::~WebSchedulerImpl() {
+BaseWebScheduler::~BaseWebScheduler() {
 }
 
-bool WebSchedulerImpl::shouldYieldForHighPriorityWork() {
-  return renderer_scheduler_->ShouldYieldForHighPriorityWork();
-}
-
-bool WebSchedulerImpl::canExceedIdleDeadlineIfRequired() {
-  return renderer_scheduler_->CanExceedIdleDeadlineIfRequired();
-}
-
-void WebSchedulerImpl::runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task,
+void BaseWebScheduler::runIdleTask(scoped_ptr<blink::WebThread::IdleTask> task,
                                    base::TimeTicks deadline) {
   task->run((deadline - base::TimeTicks()).InSecondsF());
 }
 
-void WebSchedulerImpl::runTask(scoped_ptr<blink::WebThread::Task> task) {
+void BaseWebScheduler::runTask(scoped_ptr<blink::WebThread::Task> task) {
   task->run();
 }
 
-void WebSchedulerImpl::postIdleTask(const blink::WebTraceLocation& web_location,
+void BaseWebScheduler::postIdleTask(const blink::WebTraceLocation& web_location,
                                     blink::WebThread::IdleTask* task) {
   DCHECK(idle_task_runner_);
   scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
   idle_task_runner_->PostIdleTask(
       location,
-      base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
+      base::Bind(&BaseWebScheduler::runIdleTask, base::Passed(&scoped_task)));
 }
 
-void WebSchedulerImpl::postNonNestableIdleTask(
+void BaseWebScheduler::postNonNestableIdleTask(
     const blink::WebTraceLocation& web_location,
     blink::WebThread::IdleTask* task) {
   DCHECK(idle_task_runner_);
   scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
   idle_task_runner_->PostNonNestableIdleTask(
       location,
-      base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
+      base::Bind(&BaseWebScheduler::runIdleTask, base::Passed(&scoped_task)));
 }
 
-void WebSchedulerImpl::postIdleTaskAfterWakeup(
+void BaseWebScheduler::postIdleTaskAfterWakeup(
     const blink::WebTraceLocation& web_location,
     blink::WebThread::IdleTask* task) {
   DCHECK(idle_task_runner_);
   scoped_ptr<blink::WebThread::IdleTask> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
   idle_task_runner_->PostIdleTaskAfterWakeup(
       location,
-      base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
+      base::Bind(&BaseWebScheduler::runIdleTask, base::Passed(&scoped_task)));
 }
 
-void WebSchedulerImpl::postLoadingTask(
-    const blink::WebTraceLocation& web_location, blink::WebThread::Task* task) {
+void BaseWebScheduler::postLoadingTask(
+    const blink::WebTraceLocation& web_location,
+    blink::WebThread::Task* task) {
   DCHECK(loading_task_runner_);
   scoped_ptr<blink::WebThread::Task> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
   loading_task_runner_->PostTask(
       location,
-      base::Bind(&WebSchedulerImpl::runTask, base::Passed(&scoped_task)));
+      base::Bind(&BaseWebScheduler::runTask, base::Passed(&scoped_task)));
 }
 
-void WebSchedulerImpl::postTimerTask(
+void BaseWebScheduler::postTimerTask(
     const blink::WebTraceLocation& web_location,
     blink::WebThread::Task* task,
     long long delayMs) {
   DCHECK(timer_task_runner_);
   scoped_ptr<blink::WebThread::Task> scoped_task(task);
   tracked_objects::Location location(web_location.functionName(),
                                      web_location.fileName(), -1, nullptr);
   timer_task_runner_->PostDelayedTask(
       location,
-      base::Bind(&WebSchedulerImpl::runTask, base::Passed(&scoped_task)),
+      base::Bind(&BaseWebScheduler::runTask, base::Passed(&scoped_task)),
       base::TimeDelta::FromMilliseconds(delayMs));
 }
 
 }  // namespace content