Add a MotionEventGeneric implementation

ui/events/gesture_detection/motion_event.cc

Index: ui/events/gesture_detection/motion_event.cc
diff --git a/ui/events/gesture_detection/motion_event.cc b/ui/events/gesture_detection/motion_event.cc
new file mode 100644
index 0000000000000000000000000000000000000000..95945eb9a16f0e43d751e90cd329fa4cdba7eec0
--- /dev/null
+++ b/ui/events/gesture_detection/motion_event.cc
@@ -0,0 +1,79 @@
+// 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 "ui/events/gesture_detection/motion_event.h"
+
+#include "base/logging.h"
+
+namespace ui {
+
+size_t MotionEvent::GetHistorySize() const {
+  return 0;
+}
+
+base::TimeTicks MotionEvent::GetHistoricalEventTime(
+    size_t historical_index) const {
+  NOTIMPLEMENTED();
+  return base::TimeTicks();
+}
+
+float MotionEvent::GetHistoricalTouchMajor(size_t pointer_index,
+                                           size_t historical_index) const {
+  NOTIMPLEMENTED();
+  return 0.f;
+}
+
+float MotionEvent::GetHistoricalX(size_t pointer_index,
+                                  size_t historical_index) const {
+  NOTIMPLEMENTED();
+  return 0.f;
+}
+
+float MotionEvent::GetHistoricalY(size_t pointer_index,
+                                  size_t historical_index) const {
+  NOTIMPLEMENTED();
+  return 0.f;
+}
+
+bool operator==(const MotionEvent& lhs, const MotionEvent& rhs) {
+  if (lhs.GetId() != rhs.GetId() || lhs.GetAction() != rhs.GetAction() ||
+      lhs.GetActionIndex() != rhs.GetActionIndex() ||
+      lhs.GetPointerCount() != rhs.GetPointerCount() ||
+      lhs.GetButtonState() != rhs.GetButtonState() ||
+      lhs.GetEventTime() != rhs.GetEventTime())
+    return false;
+
+  for (size_t i = 0; i < lhs.GetPointerCount(); ++i) {
+    if (lhs.GetX(i) != rhs.GetX(i) || lhs.GetY(i) != rhs.GetY(i) ||
+        lhs.GetRawX(i) != rhs.GetRawX(i) || lhs.GetRawY(i) != rhs.GetRawY(i) ||
+        lhs.GetTouchMajor(i) != rhs.GetTouchMajor(i) ||
+        lhs.GetPressure(i) != rhs.GetPressure(i) ||
+        lhs.GetToolType(i) != rhs.GetToolType(i))
+      return false;
+  }
+
+  if (lhs.GetHistorySize() != rhs.GetHistorySize())
+    return false;
+
+  for (size_t h = 0; h < lhs.GetHistorySize(); ++h) {
+    if (lhs.GetHistoricalEventTime(h) != rhs.GetHistoricalEventTime(h))
+      return false;
+
+    for (size_t i = 0; i < lhs.GetPointerCount(); ++i) {
+      if (lhs.GetHistoricalX(i, h) != rhs.GetHistoricalX(i, h) ||
+          lhs.GetHistoricalY(i, h) != rhs.GetHistoricalY(i, h) ||
+          lhs.GetHistoricalTouchMajor(i, h) !=
+              rhs.GetHistoricalTouchMajor(i, h))
+        return false;
+    }
+  }
+
+  return true;
+}
+
+bool operator!=(const MotionEvent& lhs, const MotionEvent& rhs) {
+  return !(lhs == rhs);
+}
+
+}  // namespace ui