Cast: Make castv2 mirroring performance test run again

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 57362ef9ba64f51dcf2627812212d7d9f5e30986..1f63a920521529c61bfd92ed5570031f91084ecf 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -1544,6 +1544,8 @@ void RenderWidgetHostImpl::OnRequestMove(const gfx::Rect& pos) {
 #if defined(OS_MACOSX)
 void RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwapped(
       const ViewHostMsg_CompositorSurfaceBuffersSwapped_Params& params) {
+  // This trace event is used in
+  // chrome/browser/extensions/api/cast_streaming/performance_test.cc

[piman, 2014/04/08 22:46:03]

mmh, I think I would prefer if we added separate UNSHIPPED_TRACE_EVENTs
specifically for the tests, in the "test" or "testing" category, that way it
wouldn't pollute the regular traces (bonus points if they're
TRACE_DISABLED_BY_DEFAULT and explicitly enabled in the test).

[hubbe, 2014/04/08 22:58:29]

Done.

   TRACE_EVENT0("renderer_host",
                "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwapped");
   if (!ui::LatencyInfo::Verify(params.latency_info,
@@ -1574,6 +1576,10 @@ void RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwapped(
 
 bool RenderWidgetHostImpl::OnSwapCompositorFrame(
     const IPC::Message& message) {
+  // This trace event is used in
+  // chrome/browser/extensions/api/cast_streaming/performance_test.cc
+  TRACE_EVENT0("renderer_host",
+               "RenderWidgetHostImpl::OnSwapCompositorFrame");
   ViewHostMsg_SwapCompositorFrame::Param param;
   if (!ViewHostMsg_SwapCompositorFrame::Read(&message, &param))
     return false;