Correct missing radius in ui::TouchEvent.

ui/events/event_unittest.cc

Index: ui/events/event_unittest.cc
diff --git a/ui/events/event_unittest.cc b/ui/events/event_unittest.cc
index 1debef9a1e83bd51bede619c3181a90ea267eb35..25e6a1bc1830745a7cdc46fb5e20b35233e70df9 100644
--- a/ui/events/event_unittest.cc
+++ b/ui/events/event_unittest.cc
@@ -498,4 +498,20 @@ TEST(EventTest, AutoRepeat) {
 }
 #endif  // USE_X11 || OS_WIN
 
+TEST(EventTest, TouchEventRadiusDefaultsToOtherAxis) {
+  const base::TimeDelta time = base::TimeDelta::FromMilliseconds(0);
+  const float nonZeroLength1 = 30;
+  const float nonZeroLength2 = 46;
+
+  TouchEvent event1(ui::ET_TOUCH_PRESSED, gfx::Point(0, 0), 0, 0, time,
+                    nonZeroLength1, 0, 0, 0);
+  DCHECK_EQ(nonZeroLength1, event1.radius_x());
+  DCHECK_EQ(nonZeroLength1, event1.radius_y());
+
+  TouchEvent event2(ui::ET_TOUCH_PRESSED, gfx::Point(0, 0), 0, 0, time,
+                    0, nonZeroLength2, 0, 0);
+  DCHECK_EQ(nonZeroLength2, event2.radius_x());
+  DCHECK_EQ(nonZeroLength2, event2.radius_y());
+}
+
 }  // namespace ui