Plumb activation time to main

third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc

Index: third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
index 9032e1a22915aa3cebad197d1f9c710c4aee3e2b..54986ad06a54e545c59d971ecc93102893208e63 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
@@ -400,6 +400,13 @@ void RendererSchedulerImpl::WillBeginFrame(const cc::BeginFrameArgs& args) {
   if (helper_.IsShutdown())
     return;
 
+  /* TODO: Remove me */ fprintf(
+      stderr, "\nRendererSchedulerImpl::WillBeginFrame: current frame: %d\n [",
+      args.source_frame_number);
+  for (auto activate_frame : args.ready_to_activate_time)
+    fprintf(stderr, "\tactivated frame: %d, activated time: %lu",
+            activate_frame.first, activate_frame.second.ToInternalValue());
+  fprintf(stderr, "\n ]");
   EndIdlePeriod();
   MainThreadOnly().estimated_next_frame_begin = args.frame_time + args.interval;
   MainThreadOnly().have_seen_a_begin_main_frame = true;