Make blink platform time consistent with the timer virtual time

content/test/fake_renderer_scheduler.cc

Index: content/test/fake_renderer_scheduler.cc
diff --git a/content/test/fake_renderer_scheduler.cc b/content/test/fake_renderer_scheduler.cc
index a869bf0738f6cbe69c1f95bec522598ecadc24b5..8e427679b5ace16f41b8ff382d7766db9ecc7d58 100644
--- a/content/test/fake_renderer_scheduler.cc
+++ b/content/test/fake_renderer_scheduler.cc
@@ -118,4 +118,12 @@ void FakeRendererScheduler::ResumeTimerQueue() {
 void FakeRendererScheduler::SetTimerQueueSuspensionWhenBackgroundedEnabled(
     bool enabled) {}
 
+double FakeRendererScheduler::CurrentTime() const {
+  return 0.0;
+}
+
+double FakeRendererScheduler::MonotonicallyIncreasingTime() const {
+  return 0.0;
+}
+
 }  // namespace content