Remove abstract Clone and Cancel methods from MotionEvent

ui/events/test/motion_event_test_utils.cc

Index: ui/events/test/motion_event_test_utils.cc
diff --git a/ui/events/test/motion_event_test_utils.cc b/ui/events/test/motion_event_test_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7ddc5b5607d9310eeb96f08a0521429f3d2e3b97
--- /dev/null
+++ b/ui/events/test/motion_event_test_utils.cc
@@ -0,0 +1,72 @@
+// 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/test/motion_event_test_utils.h"
+
+#include <sstream>
+
+#include "ui/events/gesture_detection/bitset_32.h"
+#include "ui/events/gesture_detection/motion_event.h"
+
+namespace ui {
+
+bool operator==(const MotionEvent& lhs, const MotionEvent& rhs) {
+  // Re-using the string conversion for equality testing is sensible because it
+  // 1) is only used in testing (where performance is not a chief concern), and
+  // 2) simplifies maintenance by consolidating the necessary property checks.
+  std::stringstream lhs_ss, rhs_ss;
+  lhs_ss << lhs;
+  rhs_ss << rhs;
+  return lhs_ss.str() == rhs_ss.str();
+}
+
+std::ostream& operator<<(std::ostream& os, const MotionEvent& event) {
+  os << "MotionEvent {"
+     << "\n ID: " << event.GetId() << "\n Action: " << event.GetAction()
+     << "\n ActionIndex: " << event.GetActionIndex()
+     << "\n Flags: " << event.GetFlags()
+     << "\n ButtonState: " << event.GetButtonState() << "\n Pointers: [";
+  const size_t pointer_count = event.GetPointerCount();
+  const size_t history_size = event.GetHistorySize();
+
+  BitSet32 pointer_ids;
+  for (size_t i = 0; i < pointer_count; ++i) {
+    pointer_ids.mark_bit(event.GetPointerId(i));
+
+    // Print the pointers sorted by id.
+    while (!pointer_ids.is_empty()) {
+      int pi = event.FindPointerIndexOfId(pointer_ids.first_marked_bit());
+      DCHECK_GE(pi, 0);
+      pointer_ids.clear_first_marked_bit();
+      os << "{"
+         << "\n  Pos: (" << event.GetX(pi) << ", " << event.GetY(pi) << ")"
+         << "\n  RawPos: (" << event.GetX(pi) << ", " << event.GetY(pi) << ")"
+         << "\n  Size: (" << event.GetTouchMajor(pi) << ", "
+         << event.GetTouchMinor(pi) << ")"
+         << "\n  Orientation: " << event.GetOrientation(pi)
+         << "\n  Pressure: " << event.GetOrientation(pi)
+         << "\n  Tool: " << event.GetToolType(pi);
+      if (history_size) {
+        os << "\n  History: [";
+        for (size_t h = 0; h < history_size; ++h) {
+          os << "\n   { " << event.GetHistoricalX(pi, h) << ", "
+             << event.GetHistoricalY(pi, h) << ", "
+             << event.GetHistoricalTouchMajor(pi, h) << ", "
+             << event.GetHistoricalEventTime(pi).ToInternalValue() << " }";
+          if (h + 1 < history_size)
+            os << ",";
+        }
+        os << "\n  ]";
+      }
+      os << "\n }";
+      if (i + 1 < pointer_count)
+        os << ", ";
+    }
+    os << "]\n}";
+  }
+
+  return os;
+}
+
+}  // namespace ui