ash: Use floating point precision for laser pointer.

ash/laser/laser_pointer_points_unittest.cc

 // Copyright 2016 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 "ash/laser/laser_pointer_points.h"
 #include "ash/laser/laser_pointer_points_test_api.h"
 #include "ash/test/ash_test_base.h"
 #include "ui/events/test/event_generator.h"
 
 namespace ash {
@@ skipping 15 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LaserPointerPointsTest);
 };
 
 }  // namespace
 
 // Tests that the laser pointers internal collection handles receiving points
 // and that the functions are returning the expected output.
 TEST_F(LaserPointerPointsTest, LaserPointerInternalCollection) {
   EXPECT_TRUE(points_.IsEmpty());
   EXPECT_EQ(gfx::Rect(), points_.GetBoundingBox());
-  const gfx::Point left(1, 1);
-  const gfx::Point bottom(1, 9);
-  const gfx::Point top_right(30, 0);
-  const gfx::Point last(2, 2);
+  const gfx::PointF left(1, 1);
+  const gfx::PointF bottom(1, 9);
+  const gfx::PointF top_right(30, 0);
+  const gfx::PointF last(2, 2);
   points_.AddPoint(left);
   EXPECT_EQ(gfx::Rect(1, 1, 0, 0), points_.GetBoundingBox());
 
   // Should be the new bottom of the bounding box.
   points_.AddPoint(bottom);
   EXPECT_EQ(gfx::Rect(1, 1, 0, bottom.y() - 1), points_.GetBoundingBox());
 
   // Should be the new top and right of the bounding box.
   points_.AddPoint(top_right);
   EXPECT_EQ(3, points_.GetNumberOfPoints());
   EXPECT_FALSE(points_.IsEmpty());
   EXPECT_EQ(gfx::Rect(left.x(), top_right.y(), top_right.x() - left.x(),
                       bottom.y() - top_right.y()),
             points_.GetBoundingBox());
 
   // Should not expand bounding box.
   points_.AddPoint(last);
   EXPECT_EQ(gfx::Rect(left.x(), top_right.y(), top_right.x() - left.x(),
                       bottom.y() - top_right.y()),
             points_.GetBoundingBox());
 
   // Points should be sorted in the order they are added.
   EXPECT_EQ(left, points_.GetOldest().location);
   EXPECT_EQ(last, points_.GetNewest().location);
 
   // Add a new point which will expand the bounding box.
-  gfx::Point new_left_bottom(0, 40);
+  gfx::PointF new_left_bottom(0, 40);
   points_.AddPoint(new_left_bottom);
   EXPECT_EQ(5, points_.GetNumberOfPoints());
   EXPECT_EQ(gfx::Rect(new_left_bottom.x(), top_right.y(),
                       top_right.x() - new_left_bottom.x(),
                       new_left_bottom.y() - top_right.y()),
             points_.GetBoundingBox());
 
   // Verify clearing works.
   points_.Clear();
   EXPECT_TRUE(points_.IsEmpty());
@@ skipping 34 matching lines @@
   EXPECT_FLOAT_EQ(0.4, points_test_api_.GetPointAtIndex(1).age);
   EXPECT_FLOAT_EQ(0.2, points_test_api_.GetPointAtIndex(2).age);
   EXPECT_FLOAT_EQ(0.0, points_test_api_.GetPointAtIndex(3).age);
 
   // Verify adding 1 point three seconds later will remove 2 points which are
   // older than 5 seconds.
   points_test_api_.MoveForwardInTime(base::TimeDelta::FromSeconds(3));
   EXPECT_EQ(3, points_test_api_.GetNumberOfPoints());
 }
 }  // namespace ash