Handle floating point coordinates from ozone to exosphere

components/exo/touch.cc

Index: components/exo/touch.cc
diff --git a/components/exo/touch.cc b/components/exo/touch.cc
index 7d06d80aad6aa699b200b2192d892429ada5317b..5394b67e071b771101a0ccf6ca72f27b2815647f 100644
--- a/components/exo/touch.cc
+++ b/components/exo/touch.cc
@@ -77,9 +77,9 @@ void Touch::OnTouchEvent(ui::TouchEvent* event) {
 
       // Convert location to focus surface coordinate space.
       DCHECK(focus_);
-      gfx::Point location = event->location();
-      aura::Window::ConvertPointToTarget(target->window(), focus_->window(),
-                                         &location);
+      gfx::PointF location = event->location_f();
+      aura::Window::ConvertPointToTargetF(target->window(), focus_->window(),
+                                          &location);
 
       // Generate a touch down event for the focus surface. Note that this can
       // be different from the target surface.
@@ -115,13 +115,12 @@ void Touch::OnTouchEvent(ui::TouchEvent* event) {
 
       DCHECK(focus_);
       // Convert location to focus surface coordinate space.
-      gfx::Point location = event->location();
-      aura::Window::ConvertPointToTarget(
+      gfx::PointF location = event->location_f();
+      aura::Window::ConvertPointToTargetF(
           static_cast<aura::Window*>(event->target()), focus_->window(),
           &location);
-
       delegate_->OnTouchMotion(event->time_stamp(), event->touch_id(),
-                               location);
+                               event->location_f());
       send_details = true;
     } break;
     case ui::ET_TOUCH_CANCELLED: {