Propagate source_frame_number from LTH to DevTools

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 1c2413577ffe9b74b376e450a2b09de29324778e..760604bfcbddb560dcc8d7db53f8c2aae22dfa0a 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -594,8 +594,8 @@ void RenderWidgetCompositor::setShowScrollBottleneckRects(bool show) {
   layer_tree_host_->SetDebugState(debug_state);
 }
 
-void RenderWidgetCompositor::WillBeginMainFrame() {
-  widget_->InstrumentWillBeginFrame();
+void RenderWidgetCompositor::WillBeginMainFrame(int frame_id) {
+  widget_->InstrumentWillBeginFrame(frame_id);
   widget_->willBeginCompositorFrame();
 }