InstrumentWillBeginFrame  578 content/renderer/gpu/render_widget_compositor.cc   widget_->InstrumentWillBeginFrame(frame_id);
InstrumentWillBeginFrame  713 content/renderer/render_view_impl.h   virtual void InstrumentWillBeginFrame(int frame_id) OVERRIDE;
InstrumentWillBeginFrame 1513 content/renderer/render_widget.cc   InstrumentWillBeginFrame(0);
InstrumentWillBeginFrame  196 content/renderer/render_widget.h   virtual void InstrumentWillBeginFrame(int frame_id) {}