Add support for reposting the ET_GESTURE_TAP_DOWN gesture event to the RootWindow and in the

ui/views/win/hwnd_message_handler.h

 // Copyright (c) 2012 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.
 
 #ifndef UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_
 #define UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlmisc.h>
 #include <windows.h>
 
 #include <set>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string16.h"
 #include "base/win/win_util.h"
 #include "ui/base/accessibility/accessibility_types.h"
+#include "ui/base/events/event.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/base/win/window_impl.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/ime/input_method_delegate.h"
 #include "ui/views/views_export.h"
 
 namespace gfx {
 class Canvas;
 class ImageSkia;
 class Insets;
@@ skipping 324 matching lines @@
   LRESULT OnSetIcon(UINT size_type, HICON new_icon);
   LRESULT OnSetText(const wchar_t* text);
   void OnSettingChange(UINT flags, const wchar_t* section);
   void OnSize(UINT param, const CSize& size);
   void OnSysCommand(UINT notification_code, const CPoint& point);
   void OnThemeChanged();
   LRESULT OnTouchEvent(UINT message, WPARAM w_param, LPARAM l_param);
   void OnWindowPosChanging(WINDOWPOS* window_pos);
   void OnWindowPosChanged(WINDOWPOS* window_pos);
 
+  typedef std::vector<ui::TouchEvent> TouchEvents;
+  // Helper to handle the list of touch events passed in. We need this because
+  // touch events on windows don't fire if we enter a modal loop in the context
+  // of a touch event.
+  void HandleTouchEvents(const TouchEvents& touch_events);
+
   HWNDMessageHandlerDelegate* delegate_;
 
   scoped_ptr<FullscreenHandler> fullscreen_handler_;
 
   base::WeakPtrFactory<HWNDMessageHandler> close_widget_factory_;
 
   bool remove_standard_frame_;
 
   bool use_system_default_icon_;
 
@@ skipping 86 matching lines @@
   // True if we are allowed to update the layered window from the DIB backing
   // store if necessary.
   bool can_update_layered_window_;
 
   // True the first time nccalc is called on a sizable widget
   bool is_first_nccalc_;
 
   // A factory used to lookup appbar autohide edges.
   base::WeakPtrFactory<HWNDMessageHandler> autohide_factory_;
 
+  // A factory that allows us to process touch events asynchronously.
+  base::WeakPtrFactory<HWNDMessageHandler> touch_event_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(HWNDMessageHandler);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_