Need to set the MICROSOFT_TABLETPENSERVICE_PROPERTY window property even for child windows

base/win/win_util.cc

Index: base/win/win_util.cc
diff --git a/base/win/win_util.cc b/base/win/win_util.cc
index 87bde159cd5ac0420d3043cd87797cacfaf3f133..23d0f2d499184d7b8b8d81c751c99d481419c173 100644
--- a/base/win/win_util.cc
+++ b/base/win/win_util.cc
@@ -8,6 +8,8 @@
 #include <cfgmgr32.h>
 #include <lm.h>
 #include <powrprof.h>
+#include <tchar.h>

[ananta, 2016/04/04 21:17:59]

Please fix the include order if possible for this file

[kylix_rd, 2016/04/04 21:40:51]

Done.

+#include <tpcshrd.h>
 #include <shellapi.h>
 #include <shlobj.h>
 #include <shobjidl.h>  // Must be before propkey.
@@ -694,5 +696,16 @@ bool GetLoadedModulesSnapshot(HANDLE process, std::vector<HMODULE>* snapshot) {
   return false;
 }
 
+// Disable/Enable flick gestures
+void AllowFlicks(HWND hwnd, bool allow) {
+  if (allow) {
+    ::RemoveProp(hwnd, MICROSOFT_TABLETPENSERVICE_PROPERTY);
+  } else {
+    ::SetProp(hwnd, MICROSOFT_TABLETPENSERVICE_PROPERTY,
+        reinterpret_cast<HANDLE>(TABLET_DISABLE_FLICKS |
+            TABLET_DISABLE_FLICKFALLBACKKEYS));
+  }
+}
+
 }  // namespace win
 }  // namespace base