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

ui/views/corewm/tooltip_controller.cc

 // Copyright (c) 2012 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/views/corewm/tooltip_controller.h"
 
 #include <vector>
 
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
@@ skipping 65 matching lines @@
                 capture_client->GetGlobalCaptureWindow();
             if (capture_window && event_target != capture_window)
               return NULL;
           }
         }
         return event_target;
       }
 
       // If |target| has capture all events go to it, even if the mouse is
       // really over another window. Find the real window the mouse is over.
-      gfx::Point screen_loc(event.location());
+      gfx::Point screen_loc(gfx::ToFlooredPoint(event.location()));
       aura::client::GetScreenPositionClient(event_target->GetRootWindow())->
           ConvertPointToScreen(event_target, &screen_loc);
       gfx::Screen* screen = gfx::Screen::GetScreenFor(event_target);
       aura::Window* target = screen->GetWindowAtScreenPoint(screen_loc);
       if (!target)
         return NULL;
       gfx::Point target_loc(screen_loc);
       aura::client::GetScreenPositionClient(target->GetRootWindow())->
           ConvertPointFromScreen(target, &target_loc);
       aura::Window* screen_target = target->GetEventHandlerForPoint(target_loc);
@@ skipping 81 matching lines @@
     TooltipShownTimerFired();
   }
 }
 
 void TooltipController::OnMouseEvent(ui::MouseEvent* event) {
   switch (event->type()) {
     case ui::ET_MOUSE_CAPTURE_CHANGED:
     case ui::ET_MOUSE_EXITED:
     case ui::ET_MOUSE_MOVED:
     case ui::ET_MOUSE_DRAGGED: {
-      curr_mouse_loc_ = event->location();
+      curr_mouse_loc_ = gfx::ToFlooredPoint(event->location());
       aura::Window* target = GetTooltipTarget(*event, &curr_mouse_loc_);
       SetTooltipWindow(target);
       if (tooltip_timer_.IsRunning())
         tooltip_timer_.Reset();
 
       if (tooltip_->IsVisible())
         UpdateIfRequired();
       break;
     }
     case ui::ET_MOUSE_PRESSED:
@@ skipping 145 matching lines @@
     return;
   if (tooltip_window_)
     tooltip_window_->RemoveObserver(this);
   tooltip_window_ = target;
   if (tooltip_window_)
     tooltip_window_->AddObserver(this);
 }
 
 }  // namespace corewm
 }  // namespace views