WIP: Plumbing input event latency reporting through Mus GPU.

ui/latency/mojo/latency_info_struct_traits.cc

Index: ui/latency/mojo/latency_info_struct_traits.cc
diff --git a/ui/latency/mojo/latency_info_struct_traits.cc b/ui/latency/mojo/latency_info_struct_traits.cc
index babf03b702894b3249f5f9a21082fbfe66fdc22e..a3a60d6e41b7c7fafa4db321a338510ae07fea8e 100644
--- a/ui/latency/mojo/latency_info_struct_traits.cc
+++ b/ui/latency/mojo/latency_info_struct_traits.cc
@@ -53,9 +53,9 @@ ui::mojom::LatencyComponentType UILatencyComponentTypeToMojo(
     case ui::INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT:
       return ui::mojom::LatencyComponentType::
           INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT;
-    case ui::INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT:
+    case ui::DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT:
       return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT;
+          DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT;
     case ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT:
       return ui::mojom::LatencyComponentType::
           INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT;
@@ -125,8 +125,8 @@ ui::LatencyComponentType MojoLatencyComponentTypeToUI(
         INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT:
       return ui::INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT;
     case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT:
-      return ui::INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT;
+        DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT:
+      return ui::DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT;
     case ui::mojom::LatencyComponentType::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT:
       return ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT;
     case ui::mojom::LatencyComponentType::