Removed requirement for the renderer to know it's process ID

content/browser/gpu/gpu_process_host_ui_shim.cc

Index: content/browser/gpu/gpu_process_host_ui_shim.cc
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.cc b/content/browser/gpu/gpu_process_host_ui_shim.cc
index b17bc59faae752ffa98445671ceac7261a81bcdb..98573bd4d8be6dc08939787e8a7011c29892b648 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.cc
+++ b/content/browser/gpu/gpu_process_host_ui_shim.cc
@@ -307,8 +307,15 @@ void GpuProcessHostUIShim::OnAcceleratedSurfaceBuffersSwapped(
   if (swap_delay.ToInternalValue())
     base::PlatformThread::Sleep(swap_delay);
 
+  GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params view_params = params;
+
+  RenderWidgetHostImpl* impl =
+      RenderWidgetHostImpl::From(view->GetRenderWidgetHost());
+  view_params.latency_info.AnnotateComponentsWithProcessId(
+      impl->GetProcess()->GetID());
+
   // View must send ACK message after next composite.
-  view->AcceleratedSurfaceBuffersSwapped(params, host_id_);
+  view->AcceleratedSurfaceBuffersSwapped(view_params, host_id_);
   view->DidReceiveRendererFrame();
 }
 
@@ -320,7 +327,6 @@ void GpuProcessHostUIShim::OnAcceleratedSurfacePostSubBuffer(
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params) {
   TRACE_EVENT0("renderer",
       "GpuProcessHostUIShim::OnAcceleratedSurfacePostSubBuffer");
-
   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
   ack_params.mailbox_name = params.mailbox_name;
   ack_params.sync_point = 0;
@@ -340,8 +346,15 @@ void GpuProcessHostUIShim::OnAcceleratedSurfacePostSubBuffer(
 
   delayed_send.Cancel();
 
+  GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params view_params = params;
+
+  RenderWidgetHostImpl* impl = RenderWidgetHostImpl::From(
+      view->GetRenderWidgetHost());
+  view_params.latency_info.AnnotateComponentsWithProcessId(
+      impl->GetProcess()->GetID());
+
   // View must send ACK message after next composite.
-  view->AcceleratedSurfacePostSubBuffer(params, host_id_);
+  view->AcceleratedSurfacePostSubBuffer(view_params, host_id_);
   view->DidReceiveRendererFrame();
 }