gfx: Make conversions from gfx::Point to PointF explicit.

ui/chromeos/touch_exploration_controller.cc

Index: ui/chromeos/touch_exploration_controller.cc
diff --git a/ui/chromeos/touch_exploration_controller.cc b/ui/chromeos/touch_exploration_controller.cc
index 0e17b546aec7f3505f4d96e13fa83fff60900a42..c5bc4c363e39ff3f2b51da1d0a992bfe4fdb703c 100644
--- a/ui/chromeos/touch_exploration_controller.cc
+++ b/ui/chromeos/touch_exploration_controller.cc
@@ -711,11 +711,9 @@ void TouchExplorationController::OnTapTimerFired() {
       SET_STATE(ONE_FINGER_PASSTHROUGH);
       passthrough_offset_ = last_unused_finger_event_->location() -
                             last_touch_exploration_->location();
-      scoped_ptr<ui::TouchEvent> passthrough_press(
-          new ui::TouchEvent(ui::ET_TOUCH_PRESSED,
-                             last_touch_exploration_->location(),
-                             last_unused_finger_event_->touch_id(),
-                             Now()));
+      scoped_ptr<ui::TouchEvent> passthrough_press(new ui::TouchEvent(
+          ui::ET_TOUCH_PRESSED, last_touch_exploration_->location_f(),
+          last_unused_finger_event_->touch_id(), Now()));
       DispatchEvent(passthrough_press.get());
       return;
     }
@@ -965,7 +963,7 @@ base::Closure TouchExplorationController::BindKeyEventWithFlags(
 }
 
 scoped_ptr<ui::Event> TouchExplorationController::CreateMouseMoveEvent(
-    const gfx::PointF& location,
+    const gfx::Point& location,
     int flags) {
   // The "synthesized" flag should be set on all events that don't have a
   // backing native event.
@@ -987,7 +985,8 @@ scoped_ptr<ui::Event> TouchExplorationController::CreateMouseMoveEvent(
   flags |= ui::EF_COMMAND_DOWN;
 
   return make_scoped_ptr(new ui::MouseEvent(
-      ui::ET_MOUSE_MOVED, location, location, ui::EventTimeForNow(), flags, 0));
+      ui::ET_MOUSE_MOVED, gfx::PointF(location), gfx::PointF(location),
+      ui::EventTimeForNow(), flags, 0));
 }
 
 void TouchExplorationController::EnterTouchToMouseMode() {