Replacing WM_TOUCH with WM_POINTER for touch events on Wins 8+

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 <windows.h>
 
 #include <stddef.h>
@@ skipping 504 matching lines @@
   void ResetTouchDownContext();
 
   // Helper to handle mouse events.
   // The |message|, |w_param|, |l_param| parameters identify the Windows mouse
   // message and its parameters respectively.
   // The |track_mouse| parameter indicates if we should track the mouse.
   LRESULT HandleMouseEventInternal(UINT message,
                                    WPARAM w_param,
                                    LPARAM l_param,
                                    bool track_mouse);
 

[dtapuska, 2017/05/26 17:56:45]

I don't care for these function names. The should definitely indicate that they
are Pointer Events.

Like:
HandlePointerEventTypePen
HandlePointerEventTypeTouch

[lanwei, 2017/05/29 18:29:43]

Done.

+  LRESULT HandleTouchEvent(UINT message, WPARAM w_param, LPARAM l_param);
+
+  LRESULT HandleMouseEventForPen(UINT message, WPARAM w_param, LPARAM l_param);
+
   // Returns true if the mouse message passed in is an OS synthesized mouse
   // message.
   // |message| identifies the mouse message.
   // |message_time| is the time when the message occurred.
   // |l_param| indicates the location of the mouse message.
   bool IsSynthesizedMouseMessage(unsigned int message,
                                  int message_time,
                                  LPARAM l_param);
 
   // Provides functionality to transition a frame to DWM.
@@ skipping 194 matching lines @@
 
   // The factory used with BEGIN_SAFE_MSG_MAP_EX.
   base::WeakPtrFactory<HWNDMessageHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HWNDMessageHandler);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_H_