Copy LatencyInfo from renderer into corresponding Surface.

content/browser/compositor/delegated_frame_host.cc

 // Copyright 2014 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/compositor/delegated_frame_host.h"
 
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 373 matching lines @@
           surface_factory_->Destroy(surface_id_);
         surface_id_ = id_allocator_->GenerateId();
         surface_factory_->Create(surface_id_, frame_size);
         client_->GetLayer()->SetShowSurface(surface_id_, frame_size_in_dip);
         current_surface_size_ = frame_size;
         modified_layers = true;
       }
       scoped_ptr<cc::CompositorFrame> compositor_frame =
           make_scoped_ptr(new cc::CompositorFrame());
       compositor_frame->delegated_frame_data = frame_data.Pass();
+
+      std::vector<ui::LatencyInfo>::const_iterator it;
+      for (it = latency_info.begin(); it != latency_info.end(); ++it)
+        compositor_frame->metadata.latency_info.push_back(*it);

[danakj, 2014/09/23 19:48:27]

can you use compositor_frame->metadata.latency_info.insert(latency_info.begin(),
latency_info.end().. ) to make this simpler?

[jbauman, 2014/09/23 19:57:24]

Done.

+      for (it = skipped_latency_info_list_.begin();
+           it != skipped_latency_info_list_.end();
+           ++it)
+        compositor_frame->metadata.latency_info.push_back(*it);

[danakj, 2014/09/23 19:48:27]

same here?

[jbauman, 2014/09/23 19:57:24]

Moved above the other, and used swap instead.

+      skipped_latency_info_list_.clear();
+
       base::Closure ack_callback;
       if (compositor) {
         ack_callback = base::Bind(&DelegatedFrameHost::SendDelegatedFrameAck,
                                   AsWeakPtr(),
                                   output_surface_id);
       }
       surface_factory_->SubmitFrame(
           surface_id_, compositor_frame.Pass(), ack_callback);
     } else {
       if (!resource_collection_.get()) {
@@ skipping 575 matching lines @@
   if (frame_provider_.get()) {
     new_layer->SetShowDelegatedContent(frame_provider_.get(),
                                        current_frame_size_in_dip_);
   }
   if (!surface_id_.is_null()) {
     new_layer->SetShowSurface(surface_id_, current_frame_size_in_dip_);
   }
 }
 
 }  // namespace content