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

ui/views/controls/combobox/combobox_unittest.cc

Index: ui/views/controls/combobox/combobox_unittest.cc
diff --git a/ui/views/controls/combobox/combobox_unittest.cc b/ui/views/controls/combobox/combobox_unittest.cc
index 2a488a2215afc80ed145f73107bbb9f8f09d7d53..0071c2893e28898e06fe01db9968accab5b0af2c 100644
--- a/ui/views/controls/combobox/combobox_unittest.cc
+++ b/ui/views/controls/combobox/combobox_unittest.cc
@@ -285,13 +285,15 @@ class ComboboxTest : public ViewsTestBase {
   }
 
   void PerformClick(const gfx::Point& point) {
-    ui::MouseEvent pressed_event = ui::MouseEvent(
-        ui::ET_MOUSE_PRESSED, point, point, ui::EventTimeForNow(),
-        ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
+    ui::MouseEvent pressed_event =
+        ui::MouseEvent(ui::ET_MOUSE_PRESSED, gfx::PointF(point),
+                       gfx::PointF(point), ui::EventTimeForNow(),
+                       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
     widget_->OnMouseEvent(&pressed_event);
-    ui::MouseEvent released_event = ui::MouseEvent(
-        ui::ET_MOUSE_RELEASED, point, point, ui::EventTimeForNow(),
-        ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
+    ui::MouseEvent released_event =
+        ui::MouseEvent(ui::ET_MOUSE_RELEASED, gfx::PointF(point),
+                       gfx::PointF(point), ui::EventTimeForNow(),
+                       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
     widget_->OnMouseEvent(&released_event);
   }