Cast: Make castv2 mirroring performance test run again

content/browser/renderer_host/render_widget_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 1526 matching lines @@
 void RenderWidgetHostImpl::OnRequestMove(const gfx::Rect& pos) {
   if (view_) {
     view_->SetBounds(pos);
     Send(new ViewMsg_Move_ACK(routing_id_));
   }
 }
 
 #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,
                                "ViewHostMsg_CompositorSurfaceBuffersSwapped"))
     return;
   if (!view_) {
     AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
     ack_params.sync_point = 0;
     RenderWidgetHostImpl::AcknowledgeBufferPresent(params.route_id,
                                                    params.gpu_process_host_id,
@@ skipping 10 matching lines @@
   for (size_t i = 0; i < gpu_params.latency_info.size(); i++)
     AddLatencyInfoComponentIds(&gpu_params.latency_info[i]);
   view_->AcceleratedSurfaceBuffersSwapped(gpu_params,
                                           params.gpu_process_host_id);
   view_->DidReceiveRendererFrame();
 }
 #endif  // OS_MACOSX
 
 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;
   scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
   uint32 output_surface_id = param.a;
   param.b.AssignTo(frame.get());
 
   for (size_t i = 0; i < frame->metadata.latency_info.size(); i++)
     AddLatencyInfoComponentIds(&frame->metadata.latency_info[i]);
 
@@ skipping 965 matching lines @@
   }
 }
 
 SkBitmap::Config RenderWidgetHostImpl::PreferredReadbackFormat() {
   if (view_)
     return view_->PreferredReadbackFormat();
   return SkBitmap::kARGB_8888_Config;
 }
 
 }  // namespace content