LatencyInfo trace_id_ no longer dependent on sequence_number.

content/common/input/input_param_traits_unittest.cc

 // Copyright 2013 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/common/input/input_param_traits.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 181 matching lines @@
 
   InputEvent event_out;
   base::PickleIterator iter(msg);
   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &event_out));
 }
 
 TEST_F(InputParamTraitsTest, InitializedEvents) {
   InputEvents events;
 
   ui::LatencyInfo latency;
+  latency.set_trace_id(5);
 
   blink::WebKeyboardEvent key_event(blink::WebInputEvent::kRawKeyDown,
                                     blink::WebInputEvent::kNoModifiers,
                                     blink::WebInputEvent::kTimeStampForTesting);
   key_event.native_key_code = 5;
   events.push_back(base::MakeUnique<InputEvent>(key_event, latency));
 
   blink::WebMouseWheelEvent wheel_event(
       blink::WebInputEvent::kMouseWheel, blink::WebInputEvent::kNoModifiers,
       blink::WebInputEvent::kTimeStampForTesting);
@@ skipping 148 matching lines @@
 
   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }
 
 }  // namespace
 }  // namespace content