ui::LocatedEvent location() returns gfx::PointF

ash/frame/caption_buttons/alternate_frame_size_button.cc

 // Copyright 2013 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/frame/caption_buttons/alternate_frame_size_button.h"
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/touch/touch_uma.h"
@@ skipping 119 matching lines @@
       event->SetHandled();
       return;
     }
   }
 
   FrameCaptionButton::OnGestureEvent(event);
 }
 
 void AlternateFrameSizeButton::StartSetButtonsToSnapModeTimer(
     const ui::LocatedEvent& event) {
-  set_buttons_to_snap_mode_timer_event_location_ = event.location();
+  set_buttons_to_snap_mode_timer_event_location_ =
+      gfx::ToFlooredPoint(event.location());
   if (set_buttons_to_snap_mode_delay_ms_ == 0) {
     AnimateButtonsToSnapMode();
   } else {
     set_buttons_to_snap_mode_timer_.Start(
         FROM_HERE,
         base::TimeDelta::FromMilliseconds(set_buttons_to_snap_mode_delay_ms_),
         this,
         &AlternateFrameSizeButton::AnimateButtonsToSnapMode);
   }
 }
@@ skipping 19 matching lines @@
   }
 }
 
 void AlternateFrameSizeButton::UpdateSnapType(const ui::LocatedEvent& event) {
   if (!in_snap_mode_) {
     // Set the buttons adjacent to the size button to snap left and right early
     // if the user drags past the drag threshold.
     // |set_buttons_to_snap_mode_timer_| is checked to avoid entering the snap
     // mode as a result of an unsupported drag type (e.g. only the right mouse
     // button is pressed).
-    gfx::Vector2d delta(
-        event.location() - set_buttons_to_snap_mode_timer_event_location_);
+    gfx::Vector2d delta(gfx::ToFlooredPoint(event.location()) -
+                        set_buttons_to_snap_mode_timer_event_location_);
     if (!set_buttons_to_snap_mode_timer_.IsRunning() ||
         !views::View::ExceededDragThreshold(delta)) {
       return;
     }
     AnimateButtonsToSnapMode();
   }
 
-  gfx::Point event_location_in_screen(event.location());
+  gfx::Point event_location_in_screen(gfx::ToFlooredPoint(event.location()));
   views::View::ConvertPointToScreen(this, &event_location_in_screen);
   const FrameCaptionButton* to_hover =
       GetButtonToHover(event_location_in_screen);
   bool press_size_button =
       to_hover || HitTestButton(this, event_location_in_screen);
 
   if (to_hover) {
     // Progress the minimize and close icon morph animations to the end if they
     // are in progress.
     SetButtonsToSnapMode(AlternateFrameSizeButtonDelegate::ANIMATE_NO);
@@ skipping 75 matching lines @@
 void AlternateFrameSizeButton::SetButtonsToNormalMode(
     AlternateFrameSizeButtonDelegate::Animate animate) {
   in_snap_mode_ = false;
   snap_type_ = SNAP_NONE;
   set_buttons_to_snap_mode_timer_.Stop();
   delegate_->SetButtonsToNormal(animate);
   phantom_window_controller_.reset();
 }
 
 }  // namespace ash