Index: cc/trees/proxy_main.cc |
diff --git a/cc/trees/proxy_main.cc b/cc/trees/proxy_main.cc |
index 5b9e7f0e576ca59ba5e35ad962e65c5e0d805468..035ca66d8a04c7e8bc726a8f0e67906e61cede62 100644 |
--- a/cc/trees/proxy_main.cc |
+++ b/cc/trees/proxy_main.cc |
@@ -118,6 +118,10 @@ void ProxyMain::BeginMainFrame( |
benchmark_instrumentation::kDoBeginFrame, |
begin_main_frame_state->begin_frame_id); |
+ // Set frame_source_number in BeginFrameArgs |
+ begin_main_frame_state->begin_frame_args.frame_source_number = |
+ layer_tree_host_->SourceFrameNumber(); |
+ |
base::TimeTicks begin_main_frame_start_time = base::TimeTicks::Now(); |
TRACE_EVENT_SYNTHETIC_DELAY_BEGIN("cc.BeginMainFrame"); |