Record accuracy of expected queueing time metric.

third_party/WebKit/Source/platform/scheduler/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 "public/platform/scheduler/test/fake_renderer_scheduler.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "public/platform/WebThread.h"
 
@@ skipping 48 matching lines @@
 void FakeRendererScheduler::DidCommitFrameToCompositor() {}
 
 void FakeRendererScheduler::DidHandleInputEventOnCompositorThread(
     const blink::WebInputEvent& web_input_event,
     InputEventState event_state) {}
 
 void FakeRendererScheduler::DidHandleInputEventOnMainThread(
     const blink::WebInputEvent& web_input_event,
     WebInputEventResult result) {}
 
+base::TimeDelta FakeRendererScheduler::MostRecentExpectedQueueingTime() {
+  return base::TimeDelta();
+}
+
 void FakeRendererScheduler::DidAnimateForInputOnCompositorThread() {}
 
 bool FakeRendererScheduler::IsHighPriorityWorkAnticipated() {
   return false;
 }
 
 void FakeRendererScheduler::SetRendererHidden(bool hidden) {}
 
 void FakeRendererScheduler::SetRendererBackgrounded(bool backgrounded) {}
 
@@ skipping 39 matching lines @@
 
 void FakeRendererScheduler::SetRAILModeObserver(RAILModeObserver* observer) {}
 
 bool FakeRendererScheduler::MainThreadSeemsUnresponsive(
     base::TimeDelta main_thread_responsiveness_threshold) {
   return false;
 }
 
 }  // namespace scheduler
 }  // namespace blink