Allow expensive task blocking if there is pending iframe navigation

content/test/fake_renderer_scheduler.cc

 // Copyright 2014 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/test/fake_renderer_scheduler.h"
 
 #include "third_party/WebKit/public/platform/WebThread.h"
 
 namespace content {
 
@@ skipping 68 matching lines @@
 bool FakeRendererScheduler::IsHighPriorityWorkAnticipated() {
   return false;
 }
 
 void FakeRendererScheduler::OnRendererBackgrounded() {
 }
 
 void FakeRendererScheduler::OnRendererForegrounded() {
 }
 
-void FakeRendererScheduler::AddPendingNavigation() {
+void FakeRendererScheduler::AddPendingNavigation(
+    blink::WebScheduler::NavigatingFrameType type) {
 }
 
-void FakeRendererScheduler::RemovePendingNavigation() {
+void FakeRendererScheduler::RemovePendingNavigation(
+    blink::WebScheduler::NavigatingFrameType type) {
 }
 
 void FakeRendererScheduler::OnNavigationStarted() {
 }
 
 bool FakeRendererScheduler::ShouldYieldForHighPriorityWork() {
   return false;
 }
 
 bool FakeRendererScheduler::CanExceedIdleDeadlineIfRequired() const {
@@ skipping 17 matching lines @@
 void FakeRendererScheduler::ResumeTimerQueue() {
 }
 
 void FakeRendererScheduler::SetTimerQueueSuspensionWhenBackgroundedEnabled(
     bool enabled) {}
 
 void FakeRendererScheduler::SetTopLevelBlameContext(
     base::trace_event::BlameContext* blame_context) {}
 
 }  // namespace content