[Android] Select text when stylus first button is pressed.

ui/events/gesture_detection/gesture_provider_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 "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/gesture_detection/gesture_event_data.h"
 #include "ui/events/gesture_detection/gesture_provider.h"
-#include "ui/events/gesture_detection/mock_motion_event.h"
 #include "ui/events/gesture_detection/motion_event.h"
+#include "ui/events/test/mock_motion_event.h"
 #include "ui/gfx/geometry/point_f.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
+using ui::test::MockMotionEvent;
 
 namespace ui {
 namespace {
 
 const float kFakeCoordX = 42.f;
 const float kFakeCoordY = 24.f;
 const TimeDelta kOneSecond = TimeDelta::FromSeconds(1);
 const TimeDelta kOneMicrosecond = TimeDelta::FromMicroseconds(1);
 const TimeDelta kDeltaTimeForFlingSequences = TimeDelta::FromMilliseconds(5);
 const float kMockTouchRadius = MockMotionEvent::TOUCH_MAJOR / 2;
@@ skipping 2259 matching lines @@
       ObtainMotionEvent(event_time + kOneMicrosecond, MotionEvent::ACTION_UP);
   EXPECT_TRUE(gesture_provider_->OnTouchEvent(event));
   EXPECT_EQ(ET_GESTURE_TAP, GetMostRecentGestureEventType());
   EXPECT_EQ(kMinGestureBoundsLength,
             GetMostRecentGestureEvent().details.bounding_box_f().width());
   EXPECT_EQ(kMinGestureBoundsLength,
             GetMostRecentGestureEvent().details.bounding_box_f().height());
 }
 
 }  // namespace ui