Clean up GestureEventDetails constructors

ui/wm/core/user_activity_detector_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 "ui/wm/core/user_activity_detector.h"
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "ui/aura/test/aura_test_base.h"
@@ skipping 121 matching lines @@
       ui::ET_TOUCH_PRESSED, gfx::Point(), 0, base::TimeDelta());
   detector_->OnTouchEvent(&touch_event);
   EXPECT_FALSE(touch_event.handled());
   EXPECT_EQ(now_.ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(1, observer_->num_invocations());
   observer_->reset_stats();
 
   AdvanceTime(advance_delta);
   ui::GestureEvent gesture_event(
-      0, 0, ui::EF_NONE,
+      0,
+      0,
+      ui::EF_NONE,
       base::TimeDelta::FromMilliseconds(base::Time::Now().ToDoubleT() * 1000),
-      ui::GestureEventDetails(ui::ET_GESTURE_TAP, 0, 0));
+      ui::GestureEventDetails(ui::ET_GESTURE_TAP));
   detector_->OnGestureEvent(&gesture_event);
   EXPECT_FALSE(gesture_event.handled());
   EXPECT_EQ(now_.ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(1, observer_->num_invocations());
   observer_->reset_stats();
 }
 
 // Checks that observers aren't notified too frequently.
 TEST_F(UserActivityDetectorTest, RateLimitNotifications) {
@@ skipping 36 matching lines @@
       ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(), ui::EF_IS_SYNTHESIZED,
       ui::EF_NONE);
   detector_->OnMouseEvent(&mouse_event);
   EXPECT_FALSE(mouse_event.handled());
   EXPECT_EQ(base::TimeTicks().ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(0, observer_->num_invocations());
 }
 
 }  // namespace wm