Revert of Move LatencyInfo to ui/latency_info

ui/events/ipc/latency_info_param_traits_unittest.cc

+// Copyright 2015 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 "ipc/ipc_message_macros.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/ipc/latency_info_param_traits.h"
+#include "ui/events/ipc/latency_info_param_traits_macros.h"
+
+namespace ui {
+
+TEST(LatencyInfoParamTraitsTest, Basic) {
+  LatencyInfo latency;
+  ASSERT_FALSE(latency.terminated());
+  ASSERT_EQ(0u, latency.input_coordinates_size());
+  latency.AddLatencyNumber(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1234, 0);
+  latency.AddLatencyNumber(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1234, 100);
+  latency.AddLatencyNumber(INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT,
+                           1234, 0);
+  EXPECT_TRUE(latency.AddInputCoordinate(
+      LatencyInfo::InputCoordinate(100, 200)));
+  EXPECT_TRUE(latency.AddInputCoordinate(
+      LatencyInfo::InputCoordinate(101, 201)));
+  // Up to 2 InputCoordinate is allowed.
+  EXPECT_FALSE(latency.AddInputCoordinate(
+      LatencyInfo::InputCoordinate(102, 202)));
+
+  EXPECT_EQ(100, latency.trace_id());
+  EXPECT_TRUE(latency.terminated());
+  EXPECT_EQ(2u, latency.input_coordinates_size());
+
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::WriteParam(&msg, latency);
+  base::PickleIterator iter(msg);
+  LatencyInfo output;
+  EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
+
+  EXPECT_EQ(latency.trace_id(), output.trace_id());
+  EXPECT_EQ(latency.terminated(), output.terminated());
+  EXPECT_EQ(latency.input_coordinates_size(), output.input_coordinates_size());
+  for (size_t i = 0; i < latency.input_coordinates_size(); i++) {
+    EXPECT_EQ(latency.input_coordinates()[i].x,
+              output.input_coordinates()[i].x);
+    EXPECT_EQ(latency.input_coordinates()[i].y,
+              output.input_coordinates()[i].y);
+  }
+
+  EXPECT_TRUE(output.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
+                                 1234,
+                                 nullptr));
+
+  LatencyInfo::LatencyComponent rwh_comp;
+  EXPECT_TRUE(output.FindLatency(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
+                                 1234,
+                                 &rwh_comp));
+  EXPECT_EQ(100, rwh_comp.sequence_number);
+  EXPECT_EQ(1u, rwh_comp.event_count);
+
+  EXPECT_TRUE(output.FindLatency(
+      INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 1234, nullptr));
+}
+
+TEST(LatencyInfoParamTraitsTest, InvalidData) {
+  IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
+  IPC::WriteParam(&msg, std::string());
+  ui::LatencyInfo::LatencyMap components;
+  IPC::WriteParam(&msg, components);
+  // input_coordinates_size is 2 but only one InputCoordinate is written.
+  IPC::WriteParam(&msg, static_cast<uint32_t>(2));
+  IPC::WriteParam(&msg, ui::LatencyInfo::InputCoordinate());
+  IPC::WriteParam(&msg, static_cast<int64_t>(1234));
+  IPC::WriteParam(&msg, true);
+
+  base::PickleIterator iter(msg);
+  LatencyInfo output;
+  EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &output));
+}
+
+}  // namespace ui