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

ui/views/controls/menu/menu_message_loop_aura.cc

 // Copyright 2014 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/controls/menu/menu_message_loop_aura.h"
 
 #if defined(OS_WIN)
 #include <windowsx.h>
 #endif
 
@@ skipping 102 matching lines @@
                                               const gfx::Point& screen_loc) {
   aura::Window* root = window->GetRootWindow();
   ScreenPositionClient* spc = aura::client::GetScreenPositionClient(root);
   if (!spc)
     return;
 
   gfx::Point root_loc(screen_loc);
   spc->ConvertPointFromScreen(root, &root_loc);
 
   ui::MouseEvent clone(static_cast<const ui::MouseEvent&>(event));
-  clone.set_location(root_loc);
-  clone.set_root_location(root_loc);
+  clone.set_location(gfx::PointF(root_loc));
+  clone.set_root_location(gfx::PointF(root_loc));
   root->GetHost()->dispatcher()->RepostEvent(clone);
 }
 
 void MenuMessageLoopAura::Run(MenuController* controller,
                               Widget* owner,
                               bool nested_menu) {
   // |owner_| may be NULL.
   owner_ = owner;
   aura::Window* root = GetOwnerRootWindow(owner_);
   // It is possible for the same MenuMessageLoopAura to start a nested
@@ skipping 53 matching lines @@
   if (ui::PlatformEventSource::GetInstance())
     ui::PlatformEventSource::GetInstance()->StopCurrentEventStream();
 #endif
 }
 
 void MenuMessageLoopAura::ClearOwner() {
   owner_ = NULL;
 }
 
 }  // namespace views