Correct behaviour of touch wrt mouse capture.

base/win/win_util.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.
 
 // =============================================================================
 // PLEASE READ
 //
 // In general, you should not be adding stuff to this file.
 //
 // - If your thing is only used in one place, just put it in a reasonable
@@ skipping 40 matching lines @@
 
 // Returns true if the shift key is currently pressed.
 BASE_EXPORT bool IsShiftPressed();
 
 // Returns true if the ctrl key is currently pressed.
 BASE_EXPORT bool IsCtrlPressed();
 
 // Returns true if the alt key is currently pressed.
 BASE_EXPORT bool IsAltPressed();
 
+// Windows emulates mouse messages for touch events.

[sky, 2012/07/24 21:36:25]

Returns true if |message| identifies a mouse event that was generated as the
result of a touch event.

[girard, 2012/07/24 23:54:54]

Done.

+BASE_EXPORT bool IsMouseEventFromTouch(UINT message);
+
 // Returns false if user account control (UAC) has been disabled with the
 // EnableLUA registry flag. Returns true if user account control is enabled.
 // NOTE: The EnableLUA registry flag, which is ignored on Windows XP
 // machines, might still exist and be set to 0 (UAC disabled), in which case
 // this function will return false. You should therefore check this flag only
 // if the OS is Vista or later.
 BASE_EXPORT bool UserAccountControlIsEnabled();
 
 // Sets the string value for given key in given IPropertyStore.
 BASE_EXPORT bool SetStringValueForPropertyStore(
@@ skipping 37 matching lines @@
 // This is necessary to set compatible struct sizes for different versions
 // of certain Windows APIs (e.g. SystemParametersInfo).
 #define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(struct_name, member) \
     offsetof(struct_name, member) + \
     (sizeof static_cast<struct_name*>(NULL)->member)
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_WIN_UTIL_H_