Correct missing radius in ui::TouchEvent.

ui/events/event_unittest.cc

 // Copyright (c) 2012 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 "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/dom3/dom_code.h"
 #include "ui/events/keycodes/dom4/keycode_converter.h"
@@ skipping 480 matching lines @@
     EXPECT_FALSE(key_a4_pressed.IsRepeat());
 
     KeyEvent key_a4_pressed_nonstandard_state(
         native_event_a_pressed_nonstandard_state);
     EXPECT_FALSE(key_a4_pressed_nonstandard_state.IsRepeat());
   }
 #endif
 }
 #endif  // USE_X11 || OS_WIN
 
+TEST(EventTest, TouchEventRadiusDefaultsToOtherAxis) {
+  const base::TimeDelta time = base::TimeDelta::FromMilliseconds(0);
+  const float non_zero_length1 = 30;
+  const float non_zero_length2 = 46;
+
+  TouchEvent event1(ui::ET_TOUCH_PRESSED, gfx::Point(0, 0), 0, 0, time,
+                    non_zero_length1, 0, 0, 0);
+  DCHECK_EQ(non_zero_length1, event1.radius_x());
+  DCHECK_EQ(non_zero_length1, event1.radius_y());
+
+  TouchEvent event2(ui::ET_TOUCH_PRESSED, gfx::Point(0, 0), 0, 0, time,
+                    0, non_zero_length2, 0, 0);
+  DCHECK_EQ(non_zero_length2, event2.radius_x());
+  DCHECK_EQ(non_zero_length2, event2.radius_y());
+}
+
 }  // namespace ui