Add Keyboard Latency UMA Metrics.

ui/latency/mojo/latency_info_struct_traits.cc

 // Copyright 2016 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 "ui/latency/mojo/latency_info_struct_traits.h"
 
 #include "ipc/ipc_message_utils.h"
 
 namespace mojo {
 
@@ skipping 142 matching lines @@
 }
 
 ui::mojom::SourceEventType UISourceEventTypeToMojo(ui::SourceEventType type) {
   switch (type) {
     case ui::UNKNOWN:
       return ui::mojom::SourceEventType::UNKNOWN;
     case ui::WHEEL:
       return ui::mojom::SourceEventType::WHEEL;
     case ui::TOUCH:
       return ui::mojom::SourceEventType::TOUCH;
+    case ui::KEY_PRESS:
+      return ui::mojom::SourceEventType::KEY_PRESS;
     case ui::OTHER:
       return ui::mojom::SourceEventType::OTHER;
   }
   NOTREACHED();
   return ui::mojom::SourceEventType::UNKNOWN;
 }
 
 ui::SourceEventType MojoSourceEventTypeToUI(ui::mojom::SourceEventType type) {
   switch (type) {
     case ui::mojom::SourceEventType::UNKNOWN:
       return ui::UNKNOWN;
     case ui::mojom::SourceEventType::WHEEL:
       return ui::WHEEL;
     case ui::mojom::SourceEventType::TOUCH:
       return ui::TOUCH;
+    case ui::mojom::SourceEventType::KEY_PRESS:
+      return ui::KEY_PRESS;
     case ui::mojom::SourceEventType::OTHER:
       return ui::OTHER;
   }
   NOTREACHED();
   return ui::SourceEventType::UNKNOWN;
 }
 
 }  // namespace
 
 // static
@@ skipping 132 matching lines @@
   }
 
   out->trace_id_ = data.trace_id();
   out->coalesced_ = data.coalesced();
   out->terminated_ = data.terminated();
   out->source_event_type_ = MojoSourceEventTypeToUI(data.source_event_type());
   return true;
 }
 
 }  // namespace mojo