Add modifier flags to MotionEvent

ui/events/gesture_detection/motion_event_generic_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 "testing/gtest/include/gtest/gtest.h"
+#include "ui/events/event_constants.h"
 #include "ui/events/gesture_detection/motion_event_generic.h"
 
 namespace ui {
 
 TEST(MotionEventGenericTest, Basic) {
   base::TimeTicks event_time = base::TimeTicks::Now();
   MotionEventGeneric event(
       MotionEvent::ACTION_DOWN, event_time, PointerProperties());
   EXPECT_EQ(1U, event.GetPointerCount());
   EXPECT_EQ(0U, event.GetHistorySize());
@@ skipping 15 matching lines @@
   event.set_action(MotionEvent::ACTION_POINTER_DOWN);
   EXPECT_EQ(MotionEvent::ACTION_POINTER_DOWN, event.GetAction());
 
   event_time += base::TimeDelta::FromMilliseconds(5);
   event.set_event_time(event_time);
   EXPECT_EQ(event_time, event.GetEventTime());
 
   event.set_button_state(MotionEvent::BUTTON_PRIMARY);
   EXPECT_EQ(MotionEvent::BUTTON_PRIMARY, event.GetButtonState());
 
+  event.set_flags(EF_ALT_DOWN | EF_SHIFT_DOWN);
+  EXPECT_EQ(EF_ALT_DOWN | EF_SHIFT_DOWN, event.GetFlags());
+
   event.set_action_index(1);
   EXPECT_EQ(1, event.GetActionIndex());
 }
 
 TEST(MotionEventGenericTest, Clone) {
   MotionEventGeneric event(MotionEvent::ACTION_DOWN,
                            base::TimeTicks::Now(),
                            PointerProperties(8.3f, 4.7f));
   event.set_id(1);
   event.set_button_state(MotionEvent::BUTTON_PRIMARY);
@@ skipping 37 matching lines @@
   pointer.id = 3;
   event2.PushPointer(pointer);
   EXPECT_EQ(0, event2.FindPointerIndexOfId(0));
   EXPECT_EQ(1, event2.FindPointerIndexOfId(7));
   EXPECT_EQ(2, event2.FindPointerIndexOfId(3));
   EXPECT_EQ(-1, event2.FindPointerIndexOfId(1));
   EXPECT_EQ(-1, event2.FindPointerIndexOfId(2));
 }
 
 }  // namespace ui