Add Keyboard Latency UMA Metrics.

content/browser/renderer_host/render_widget_host_unittest.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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <tuple>
 
@@ skipping 620 matching lines @@
     NativeWebKeyboardEvent native_event(type, modifiers,
                                         GetNextSimulatedEventTimeSeconds());
     host_->ForwardKeyboardEvent(native_event);
   }
 
   void SimulateKeyboardEventWithCommands(WebInputEvent::Type type) {
     NativeWebKeyboardEvent native_event(type, 0,
                                         GetNextSimulatedEventTimeSeconds());
     EditCommands commands;
     commands.emplace_back("name", "value");
-    host_->ForwardKeyboardEventWithCommands(native_event, &commands, nullptr);
+    host_->ForwardKeyboardEventWithCommands(native_event, ui::LatencyInfo(),
+                                            &commands, nullptr);
   }
 
   void SimulateMouseEvent(WebInputEvent::Type type) {
     host_->ForwardMouseEvent(SyntheticWebMouseEventBuilder::Build(type));
   }
 
   void SimulateMouseEventWithLatencyInfo(WebInputEvent::Type type,
                                          const ui::LatencyInfo& ui_latency) {
     host_->ForwardMouseEventWithLatencyInfo(
         SyntheticWebMouseEventBuilder::Build(type),
@@ skipping 1502 matching lines @@
   EXPECT_EQ(0u, host_->processed_frame_messages_count());
 
   frame = MakeCompositorFrame(1.f, frame_size);
   frame.metadata.frame_token = frame_token3;
   host_->SubmitCompositorFrame(local_surface_id, std::move(frame));
   EXPECT_EQ(0u, host_->queued_messages_.size());
   EXPECT_EQ(1u, host_->processed_frame_messages_count());
 }
 
 }  // namespace content