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

ui/views/widget/desktop_aura/desktop_window_tree_host_win.h

Index: ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
index bee915a83a7ab9beb98d9df557e89eec1ee6237c..415bfa07534c37186c9325c4ad58af9115a90744 100644
--- a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
+++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
@@ -6,12 +6,13 @@
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
 
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "ui/aura/window_tree_host.h"
+#include "ui/events/event.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
 #include "ui/views/win/hwnd_message_handler_delegate.h"
 #include "ui/wm/public/animation_host.h"
-
 namespace aura {
 namespace client {
 class DragDropClient;
@@ -203,6 +204,9 @@ class VIEWS_EXPORT DesktopWindowTreeHostWin
   // Returns true if a modal window is active in the current root window chain.
   bool IsModalWindowActive() const;
 
+  // Posts an event to the event processor. Invoked as a task.
+  void PostEventToProcessor(const ui::Event& event);
+
   scoped_ptr<HWNDMessageHandler> message_handler_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
 
@@ -255,6 +259,10 @@ class VIEWS_EXPORT DesktopWindowTreeHostWin
 
   scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
 
+  // The WeakPtrFactories below must occur last in the class definition so they
+  // get destroyed last.
+  base::WeakPtrFactory<DesktopWindowTreeHostWin> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
 };