Don't send touch events to windows like menus when the touch occurs outside the menu bounds.

ui/views/controls/menu/menu_message_loop_aura.cc

Index: ui/views/controls/menu/menu_message_loop_aura.cc
diff --git a/ui/views/controls/menu/menu_message_loop_aura.cc b/ui/views/controls/menu/menu_message_loop_aura.cc
index 3cb1068a2cc9e41c604c26eb3003f3a4dfd621c1..765d08eb9ac6567ff3045ea5b9a917ad0d64f418 100644
--- a/ui/views/controls/menu/menu_message_loop_aura.cc
+++ b/ui/views/controls/menu/menu_message_loop_aura.cc
@@ -100,19 +100,46 @@ MenuMessageLoop* MenuMessageLoop::Create() {
   return new MenuMessageLoopAura;
 }
 
+// Force instantiation of the RepostEventToWindow function for the following
+// EventTypes.
+// 1. MouseEvent.
+// 2. GestureEvent.
+// 3. TouchEvent.
+// Alternatively we could possibly implement the function in the header file,
+// which I think is uglier.
+template
+void MenuMessageLoop::RepostEventToWindow<ui::MouseEvent>(
+    const ui::MouseEvent& event,
+    gfx::NativeWindow window,
+    const gfx::Point& screen_loc);
+
+template
+void MenuMessageLoop::RepostEventToWindow<ui::GestureEvent>(
+    const ui::GestureEvent& event,
+    gfx::NativeWindow window,
+    const gfx::Point& screen_loc);
+
+template
+void MenuMessageLoop::RepostEventToWindow<ui::TouchEvent>(
+    const ui::TouchEvent& event,
+    gfx::NativeWindow window,
+    const gfx::Point& screen_loc);
+
 // static
-void MenuMessageLoop::RepostEventToWindow(const ui::LocatedEvent& event,
+template<class EventType>
+void MenuMessageLoop::RepostEventToWindow(const EventType& event,
                                           gfx::NativeWindow window,
                                           const gfx::Point& screen_loc) {
   aura::Window* root = window->GetRootWindow();
-  ScreenPositionClient* spc = aura::client::GetScreenPositionClient(root);
+  aura::client::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));
+  EventType clone(event);
   clone.set_location(root_loc);
   clone.set_root_location(root_loc);
   root->GetHost()->dispatcher()->RepostEvent(clone);