[PATCH 5/11] ozone: evdev: Replace dispatch callbacks with an interface

ui/events/ozone/evdev/touch_event_converter_evdev_unittest.cc

 // Copyright 2014 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 <errno.h>
 #include <fcntl.h>
 #include <linux/input.h>
 #include <unistd.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/run_loop.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/devices/device_data_manager.h"
+#include "ui/events/ozone/evdev/device_event_dispatcher_evdev.h"
 #include "ui/events/ozone/evdev/touch_event_converter_evdev.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/events/platform/platform_event_source.h"
 
 namespace {
 
 static int SetNonBlocking(int fd) {
   int flags = fcntl(fd, F_GETFL, 0);
   if (flags == -1)
     flags = 0;
   return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
 }
 
 const char kTestDevicePath[] = "/dev/input/test-device";
 
 }  // namespace
 
 namespace ui {
 
 class MockTouchEventConverterEvdev : public TouchEventConverterEvdev {
  public:
-  MockTouchEventConverterEvdev(int fd, base::FilePath path);
+  MockTouchEventConverterEvdev(int fd,
+                               base::FilePath path,
+                               DeviceEventDispatcherEvdev* dispatcher);
   ~MockTouchEventConverterEvdev() override {}
 
   void ConfigureReadMock(struct input_event* queue,
                          long read_this_many,
                          long queue_index);
 
-  unsigned size() { return dispatched_events_.size(); }
-  const TouchEventParams& event(unsigned index) {
-    DCHECK_GT(dispatched_events_.size(), index);
-    return dispatched_events_[index];
-  }
-
   // Actually dispatch the event reader code.
   void ReadNow() {
     OnFileCanReadWithoutBlocking(read_pipe_);
     base::RunLoop().RunUntilIdle();
   }
 
-  void DispatchCallback(const TouchEventParams& params) {
-    dispatched_events_.push_back(params);
-  }
-
   void Initialize(const EventDeviceInfo& device_info) override {}
   bool Reinitialize() override { return true; }
 
  private:
   int read_pipe_;
   int write_pipe_;
 
-  std::vector<TouchEventParams> dispatched_events_;
-
   DISALLOW_COPY_AND_ASSIGN(MockTouchEventConverterEvdev);
 };
 
-MockTouchEventConverterEvdev::MockTouchEventConverterEvdev(int fd,
-                                                           base::FilePath path)
-    : TouchEventConverterEvdev(
-          fd,
-          path,
-          1,
-          INPUT_DEVICE_UNKNOWN,
-          base::Bind(&MockTouchEventConverterEvdev::DispatchCallback,
-                     base::Unretained(this))) {
+class MockDeviceEventDispatcherEvdev : public DeviceEventDispatcherEvdev {
+ public:
+  MockDeviceEventDispatcherEvdev(
+      const base::Callback<void(const TouchEventParams& params)>& callback)
+      : callback_(callback) {}
+  ~MockDeviceEventDispatcherEvdev() {}
+
+  // DeviceEventDispatcherEvdev:
+  void DispatchKeyEvent(const KeyEventParams& params) override {}
+  void DispatchMouseMoveEvent(const MouseMoveEventParams& params) override {}
+  void DispatchMouseButtonEvent(const MouseButtonEventParams& params) override {
+  }
+  void DispatchMouseWheelEvent(const MouseWheelEventParams& params) override {}
+  void DispatchScrollEvent(const ScrollEventParams& params) override {}
+  void DispatchTouchEvent(const TouchEventParams& params) override {
+    callback_.Run(params);
+  }
+
+ private:
+  base::Callback<void(const TouchEventParams& params)> callback_;
+};
+
+MockTouchEventConverterEvdev::MockTouchEventConverterEvdev(
+    int fd,
+    base::FilePath path,
+    DeviceEventDispatcherEvdev* dispatcher)
+    : TouchEventConverterEvdev(fd, path, 1, INPUT_DEVICE_UNKNOWN, dispatcher) {
   pressure_min_ = 30;
   pressure_max_ = 60;
 
   // TODO(rjkroege): Check test axes.
   x_min_tuxels_ = 0;
   x_num_tuxels_ = std::numeric_limits<int>::max();
   y_min_tuxels_ = 0;
   y_num_tuxels_ = std::numeric_limits<int>::max();
 
   int fds[2];
@@ skipping 32 matching lines @@
     // Set up pipe to satisfy message pump (unused).
     int evdev_io[2];
     if (pipe(evdev_io))
       PLOG(FATAL) << "failed pipe";
     events_in_ = evdev_io[0];
     events_out_ = evdev_io[1];
 
     // Device creation happens on a worker thread since it may involve blocking
     // operations. Simulate that by creating it before creating a UI message
     // loop.
+    dispatcher_.reset(new ui::MockDeviceEventDispatcherEvdev(
+        base::Bind(&TouchEventConverterEvdevTest::DispatchCallback,
+                   base::Unretained(this))));
     device_ = new ui::MockTouchEventConverterEvdev(
-        events_in_, base::FilePath(kTestDevicePath));
+        events_in_, base::FilePath(kTestDevicePath), dispatcher_.get());
     loop_ = new base::MessageLoopForUI;
 
     ui::DeviceDataManager::CreateInstance();
   }
 
   void TearDown() override {
     delete device_;
     delete loop_;
   }
 
   ui::MockTouchEventConverterEvdev* device() { return device_; }
 
+  unsigned size() { return dispatched_events_.size(); }
+  const ui::TouchEventParams& dispatched_event(unsigned index) {
+    DCHECK_GT(dispatched_events_.size(), index);
+    return dispatched_events_[index];
+  }
+
  private:
   base::MessageLoop* loop_;
   ui::MockTouchEventConverterEvdev* device_;
+  scoped_ptr<ui::MockDeviceEventDispatcherEvdev> dispatcher_;
 
   int events_out_;
   int events_in_;
 
+  void DispatchCallback(const ui::TouchEventParams& params) {
+    dispatched_events_.push_back(params);
+  }
+  std::vector<ui::TouchEventParams> dispatched_events_;
+
   DISALLOW_COPY_AND_ASSIGN(TouchEventConverterEvdevTest);
 };
 
 // TODO(rjkroege): Test for valid handling of time stamps.
 TEST_F(TouchEventConverterEvdevTest, TouchDown) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 684},
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 51}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   dev->ConfigureReadMock(mock_kernel_queue, 1, 0);
   dev->ReadNow();
-  EXPECT_EQ(0u, dev->size());
+  EXPECT_EQ(0u, size());
 
   dev->ConfigureReadMock(mock_kernel_queue, 2, 1);
   dev->ReadNow();
-  EXPECT_EQ(0u, dev->size());
+  EXPECT_EQ(0u, size());
 
   dev->ConfigureReadMock(mock_kernel_queue, 3, 3);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
+  EXPECT_EQ(1u, size());
 
-  ui::TouchEventParams event = dev->event(0);
+  ui::TouchEventParams event = dispatched_event(0);
 
   EXPECT_EQ(ui::ET_TOUCH_PRESSED, event.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), event.timestamp);
   EXPECT_EQ(42, event.location.x());
   EXPECT_EQ(51, event.location.y());
   EXPECT_EQ(0, event.touch_id);
   EXPECT_FLOAT_EQ(1.5f, event.radii.x());
   EXPECT_FLOAT_EQ(.5f, event.pressure);
 }
 
 TEST_F(TouchEventConverterEvdevTest, NoEvents) {
   ui::MockTouchEventConverterEvdev* dev = device();
   dev->ConfigureReadMock(NULL, 0, 0);
-  EXPECT_EQ(0u, dev->size());
+  EXPECT_EQ(0u, size());
 }
 
 TEST_F(TouchEventConverterEvdevTest, TouchMove) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue_press[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 684},
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 51}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   struct input_event mock_kernel_queue_move1[] = {
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 50},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 43}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   struct input_event mock_kernel_queue_move2[] = {
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 42}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   // Setup and discard a press.
   dev->ConfigureReadMock(mock_kernel_queue_press, 6, 0);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
+  EXPECT_EQ(1u, size());
 
   dev->ConfigureReadMock(mock_kernel_queue_move1, 4, 0);
   dev->ReadNow();
-  EXPECT_EQ(2u, dev->size());
-  ui::TouchEventParams event = dev->event(1);
+  EXPECT_EQ(2u, size());
+  ui::TouchEventParams event = dispatched_event(1);
 
   EXPECT_EQ(ui::ET_TOUCH_MOVED, event.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), event.timestamp);
   EXPECT_EQ(42, event.location.x());
   EXPECT_EQ(43, event.location.y());
   EXPECT_EQ(0, event.touch_id);
   EXPECT_FLOAT_EQ(2.f / 3.f, event.pressure);
 
   dev->ConfigureReadMock(mock_kernel_queue_move2, 2, 0);
   dev->ReadNow();
-  EXPECT_EQ(3u, dev->size());
-  event = dev->event(2);
+  EXPECT_EQ(3u, size());
+  event = dispatched_event(2);
 
   EXPECT_EQ(ui::ET_TOUCH_MOVED, event.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), event.timestamp);
   EXPECT_EQ(42, event.location.x());
   EXPECT_EQ(42, event.location.y());
   EXPECT_EQ(0, event.touch_id);
   EXPECT_FLOAT_EQ(2.f / 3.f, event.pressure);
 }
 
 TEST_F(TouchEventConverterEvdevTest, TouchRelease) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue_press[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 684},
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 51}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   struct input_event mock_kernel_queue_release[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, -1}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   // Setup and discard a press.
   dev->ConfigureReadMock(mock_kernel_queue_press, 6, 0);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
-  ui::TouchEventParams event = dev->event(0);
+  EXPECT_EQ(1u, size());
+  ui::TouchEventParams event = dispatched_event(0);
 
   dev->ConfigureReadMock(mock_kernel_queue_release, 2, 0);
   dev->ReadNow();
-  EXPECT_EQ(2u, dev->size());
-  event = dev->event(1);
+  EXPECT_EQ(2u, size());
+  event = dispatched_event(1);
 
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, event.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), event.timestamp);
   EXPECT_EQ(42, event.location.x());
   EXPECT_EQ(51, event.location.y());
   EXPECT_EQ(0, event.touch_id);
   EXPECT_FLOAT_EQ(.5f, event.pressure);
 }
 
 TEST_F(TouchEventConverterEvdevTest, TwoFingerGesture) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue_press0[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 684},
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 51}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
   // Setup and discard a press.
   dev->ConfigureReadMock(mock_kernel_queue_press0, 6, 0);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
+  EXPECT_EQ(1u, size());
 
   struct input_event mock_kernel_queue_move0[] = {
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 40}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
   // Setup and discard a move.
   dev->ConfigureReadMock(mock_kernel_queue_move0, 2, 0);
   dev->ReadNow();
-  EXPECT_EQ(2u, dev->size());
+  EXPECT_EQ(2u, size());
 
   struct input_event mock_kernel_queue_move0press1[] = {
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 40}, {{0, 0}, EV_SYN, SYN_REPORT, 0},
     {{0, 0}, EV_ABS, ABS_MT_SLOT, 1}, {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 686},
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 101},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 102}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
   // Move on 0, press on 1.
   dev->ConfigureReadMock(mock_kernel_queue_move0press1, 9, 0);
   dev->ReadNow();
-  EXPECT_EQ(4u, dev->size());
-  ui::TouchEventParams ev0 = dev->event(2);
-  ui::TouchEventParams ev1 = dev->event(3);
+  EXPECT_EQ(4u, size());
+  ui::TouchEventParams ev0 = dispatched_event(2);
+  ui::TouchEventParams ev1 = dispatched_event(3);
 
   // Move
   EXPECT_EQ(ui::ET_TOUCH_MOVED, ev0.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev0.timestamp);
   EXPECT_EQ(40, ev0.location.x());
   EXPECT_EQ(51, ev0.location.y());
   EXPECT_EQ(0, ev0.touch_id);
   EXPECT_FLOAT_EQ(.5f, ev0.pressure);
 
   // Press
   EXPECT_EQ(ui::ET_TOUCH_PRESSED, ev1.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev1.timestamp);
   EXPECT_EQ(101, ev1.location.x());
   EXPECT_EQ(102, ev1.location.y());
   EXPECT_EQ(1, ev1.touch_id);
   EXPECT_FLOAT_EQ(.5f, ev1.pressure);
 
   // Stationary 0, Moves 1.
   struct input_event mock_kernel_queue_stationary0_move1[] = {
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 40}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
   dev->ConfigureReadMock(mock_kernel_queue_stationary0_move1, 2, 0);
   dev->ReadNow();
-  EXPECT_EQ(5u, dev->size());
-  ev1 = dev->event(4);
+  EXPECT_EQ(5u, size());
+  ev1 = dispatched_event(4);
 
   EXPECT_EQ(ui::ET_TOUCH_MOVED, ev1.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev1.timestamp);
   EXPECT_EQ(40, ev1.location.x());
   EXPECT_EQ(102, ev1.location.y());
   EXPECT_EQ(1, ev1.touch_id);
 
   EXPECT_FLOAT_EQ(.5f, ev1.pressure);
 
   // Move 0, stationary 1.
   struct input_event mock_kernel_queue_move0_stationary1[] = {
     {{0, 0}, EV_ABS, ABS_MT_SLOT, 0}, {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 39},
     {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
   dev->ConfigureReadMock(mock_kernel_queue_move0_stationary1, 3, 0);
   dev->ReadNow();
-  EXPECT_EQ(6u, dev->size());
-  ev0 = dev->event(5);
+  EXPECT_EQ(6u, size());
+  ev0 = dispatched_event(5);
 
   EXPECT_EQ(ui::ET_TOUCH_MOVED, ev0.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev0.timestamp);
   EXPECT_EQ(39, ev0.location.x());
   EXPECT_EQ(51, ev0.location.y());
   EXPECT_EQ(0, ev0.touch_id);
   EXPECT_FLOAT_EQ(.5f, ev0.pressure);
 
   // Release 0, move 1.
   struct input_event mock_kernel_queue_release0_move1[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, -1}, {{0, 0}, EV_ABS, ABS_MT_SLOT, 1},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 38}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
   dev->ConfigureReadMock(mock_kernel_queue_release0_move1, 4, 0);
   dev->ReadNow();
-  EXPECT_EQ(8u, dev->size());
-  ev0 = dev->event(6);
-  ev1 = dev->event(7);
+  EXPECT_EQ(8u, size());
+  ev0 = dispatched_event(6);
+  ev1 = dispatched_event(7);
 
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ev0.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev0.timestamp);
   EXPECT_EQ(39, ev0.location.x());
   EXPECT_EQ(51, ev0.location.y());
   EXPECT_EQ(0, ev0.touch_id);
   EXPECT_FLOAT_EQ(.5f, ev0.pressure);
 
   EXPECT_EQ(ui::ET_TOUCH_MOVED, ev1.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev1.timestamp);
   EXPECT_EQ(38, ev1.location.x());
   EXPECT_EQ(102, ev1.location.y());
   EXPECT_EQ(1, ev1.touch_id);
   EXPECT_FLOAT_EQ(.5f, ev1.pressure);
 
   // Release 1.
   struct input_event mock_kernel_queue_release1[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, -1}, {{0, 0}, EV_SYN, SYN_REPORT, 0},
   };
   dev->ConfigureReadMock(mock_kernel_queue_release1, 2, 0);
   dev->ReadNow();
-  EXPECT_EQ(9u, dev->size());
-  ev1 = dev->event(8);
+  EXPECT_EQ(9u, size());
+  ev1 = dispatched_event(8);
 
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ev1.type);
   EXPECT_EQ(base::TimeDelta::FromMicroseconds(0), ev1.timestamp);
   EXPECT_EQ(38, ev1.location.x());
   EXPECT_EQ(102, ev1.location.y());
   EXPECT_EQ(1, ev1.touch_id);
   EXPECT_FLOAT_EQ(.5f, ev1.pressure);
 }
 
 TEST_F(TouchEventConverterEvdevTest, TypeA) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue_press0[] = {
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 51},
     {{0, 0}, EV_SYN, SYN_MT_REPORT, 0},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 61},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 71},
     {{0, 0}, EV_SYN, SYN_MT_REPORT, 0},
     {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   // Check that two events are generated.
   dev->ConfigureReadMock(mock_kernel_queue_press0, 10, 0);
   dev->ReadNow();
-  EXPECT_EQ(2u, dev->size());
+  EXPECT_EQ(2u, size());
 }
 
 TEST_F(TouchEventConverterEvdevTest, Unsync) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue_press0[] = {
     {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 684},
     {{0, 0}, EV_ABS, ABS_MT_TOUCH_MAJOR, 3},
     {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 45},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 42},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 51}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   dev->ConfigureReadMock(mock_kernel_queue_press0, 6, 0);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
+  EXPECT_EQ(1u, size());
 
   // Prepare a move with a drop.
   struct input_event mock_kernel_queue_move0[] = {
     {{0, 0}, EV_SYN, SYN_DROPPED, 0},
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 40}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   // Verify that we didn't receive it/
   dev->ConfigureReadMock(mock_kernel_queue_move0, 3, 0);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
+  EXPECT_EQ(1u, size());
 
   struct input_event mock_kernel_queue_move1[] = {
     {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 40}, {{0, 0}, EV_SYN, SYN_REPORT, 0}
   };
 
   // Verify that it re-syncs after a SYN_REPORT.
   dev->ConfigureReadMock(mock_kernel_queue_move1, 2, 0);
   dev->ReadNow();
-  EXPECT_EQ(2u, dev->size());
+  EXPECT_EQ(2u, size());
 }
 
 // crbug.com/407386
 TEST_F(TouchEventConverterEvdevTest,
        DontChangeMultitouchPositionFromLegacyAxes) {
   ui::MockTouchEventConverterEvdev* dev = device();
 
   struct input_event mock_kernel_queue[] = {
       {{0, 0}, EV_ABS, ABS_MT_SLOT, 0},
       {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 100},
       {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 999},
       {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 888},
       {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 55},
       {{0, 0}, EV_ABS, ABS_MT_SLOT, 1},
       {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 200},
       {{0, 0}, EV_ABS, ABS_MT_PRESSURE, 44},
       {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 777},
       {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 666},
       {{0, 0}, EV_ABS, ABS_X, 999},
       {{0, 0}, EV_ABS, ABS_Y, 888},
       {{0, 0}, EV_ABS, ABS_PRESSURE, 55},
       {{0, 0}, EV_SYN, SYN_REPORT, 0},
   };
 
   // Check that two events are generated.
   dev->ConfigureReadMock(mock_kernel_queue, arraysize(mock_kernel_queue), 0);
   dev->ReadNow();
 
   const unsigned int kExpectedEventCount = 2;
-  EXPECT_EQ(kExpectedEventCount, dev->size());
-  if (kExpectedEventCount != dev->size())
+  EXPECT_EQ(kExpectedEventCount, size());
+  if (kExpectedEventCount != size())
     return;
 
-  ui::TouchEventParams ev0 = dev->event(0);
-  ui::TouchEventParams ev1 = dev->event(1);
+  ui::TouchEventParams ev0 = dispatched_event(0);
+  ui::TouchEventParams ev1 = dispatched_event(1);
 
   EXPECT_EQ(0, ev0.touch_id);
   EXPECT_EQ(999, ev0.location.x());
   EXPECT_EQ(888, ev0.location.y());
   EXPECT_FLOAT_EQ(0.8333333f, ev0.pressure);
 
   EXPECT_EQ(1, ev1.touch_id);
   EXPECT_EQ(777, ev1.location.x());
   EXPECT_EQ(666, ev1.location.y());
   EXPECT_FLOAT_EQ(0.4666666f, ev1.pressure);
@@ skipping 11 matching lines @@
       {{0, 0}, EV_ABS, ABS_MT_SLOT, ui::TouchEventConverterEvdev::MAX_FINGERS},
       {{0, 0}, EV_ABS, ABS_MT_TRACKING_ID, 200},
       {{0, 0}, EV_ABS, ABS_MT_POSITION_X, 777},
       {{0, 0}, EV_ABS, ABS_MT_POSITION_Y, 666},
       {{0, 0}, EV_SYN, SYN_REPORT, 0},
   };
 
   // Check that one 1 event is generated
   dev->ConfigureReadMock(mock_kernel_queue, arraysize(mock_kernel_queue), 0);
   dev->ReadNow();
-  EXPECT_EQ(1u, dev->size());
+  EXPECT_EQ(1u, size());
 }